Home / 93,722.72-129,336.24-51,281.12

Finding the Fourth Proportional to 93,722.72, 129,336.24 and 51,281.12

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Solution

The fourth proportional to 93,722.72, 129,336.24 and 51,281.12 is: 70,767.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,722.72 : 129,336.24 = 51,281.12 : x
  2. Step 2: Convert to fraction form
    93,722.72/129,336.24 = 51,281.12/x
  3. Step 3: Cross multiply
    93,722.72x = 129,336.24 × 51,281.12
  4. Step 4: Simplify right side
    93,722.72x = 6,632,507,243.79
  5. Step 5: Solve for x
    x = 6,632,507,243.79/93,722.72
  6. Step 6: Final answer
    x = 70,767.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.