Home / 93,840.28-129,499.62-51,399.52

Finding the Fourth Proportional to 93,840.28, 129,499.62 and 51,399.52

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Solution

The fourth proportional to 93,840.28, 129,499.62 and 51,399.52 is: 70,931.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,840.28 : 129,499.62 = 51,399.52 : x
  2. Step 2: Convert to fraction form
    93,840.28/129,499.62 = 51,399.52/x
  3. Step 3: Cross multiply
    93,840.28x = 129,499.62 × 51,399.52
  4. Step 4: Simplify right side
    93,840.28x = 6,656,218,308.18
  5. Step 5: Solve for x
    x = 6,656,218,308.18/93,840.28
  6. Step 6: Final answer
    x = 70,931.36

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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.