Home / 93,430.74-128,937.27-53,150.34

Finding the Fourth Proportional to 93,430.74, 128,937.27 and 53,150.34

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Solution

The fourth proportional to 93,430.74, 128,937.27 and 53,150.34 is: 73,349.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,430.74 : 128,937.27 = 53,150.34 : x
  2. Step 2: Convert to fraction form
    93,430.74/128,937.27 = 53,150.34/x
  3. Step 3: Cross multiply
    93,430.74x = 128,937.27 × 53,150.34
  4. Step 4: Simplify right side
    93,430.74x = 6,853,059,739.17
  5. Step 5: Solve for x
    x = 6,853,059,739.17/93,430.74
  6. Step 6: Final answer
    x = 73,349.09

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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.