Home / 70,151.29-96,810.87-38,320.72

Finding the Fourth Proportional to 70,151.29, 96,810.87 and 38,320.72

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Solution

The fourth proportional to 70,151.29, 96,810.87 and 38,320.72 is: 52,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,151.29 : 96,810.87 = 38,320.72 : x
  2. Step 2: Convert to fraction form
    70,151.29/96,810.87 = 38,320.72/x
  3. Step 3: Cross multiply
    70,151.29x = 96,810.87 × 38,320.72
  4. Step 4: Simplify right side
    70,151.29x = 3,709,862,242.23
  5. Step 5: Solve for x
    x = 3,709,862,242.23/70,151.29
  6. Step 6: Final answer
    x = 52,883.74

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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.