Home / 64,160.34-88,542.15-38,693.26

Finding the Fourth Proportional to 64,160.34, 88,542.15 and 38,693.26

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Solution

The fourth proportional to 64,160.34, 88,542.15 and 38,693.26 is: 53,397.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,160.34 : 88,542.15 = 38,693.26 : x
  2. Step 2: Convert to fraction form
    64,160.34/88,542.15 = 38,693.26/x
  3. Step 3: Cross multiply
    64,160.34x = 88,542.15 × 38,693.26
  4. Step 4: Simplify right side
    64,160.34x = 3,425,984,430.91
  5. Step 5: Solve for x
    x = 3,425,984,430.91/64,160.34
  6. Step 6: Final answer
    x = 53,397.23

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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.