Home / 70,277.65-96,985.45-38,446.55

Finding the Fourth Proportional to 70,277.65, 96,985.45 and 38,446.55

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Solution

The fourth proportional to 70,277.65, 96,985.45 and 38,446.55 is: 53,057.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,277.65 : 96,985.45 = 38,446.55 : x
  2. Step 2: Convert to fraction form
    70,277.65/96,985.45 = 38,446.55/x
  3. Step 3: Cross multiply
    70,277.65x = 96,985.45 × 38,446.55
  4. Step 4: Simplify right side
    70,277.65x = 3,728,755,275.54
  5. Step 5: Solve for x
    x = 3,728,755,275.54/70,277.65
  6. Step 6: Final answer
    x = 53,057.49

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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.