Home / 70,939.10-97,892.92-38,672.95

Finding the Fourth Proportional to 70,939.10, 97,892.92 and 38,672.95

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Solution

The fourth proportional to 70,939.10, 97,892.92 and 38,672.95 is: 53,367.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,939.10 : 97,892.92 = 38,672.95 : x
  2. Step 2: Convert to fraction form
    70,939.10/97,892.92 = 38,672.95/x
  3. Step 3: Cross multiply
    70,939.10x = 97,892.92 × 38,672.95
  4. Step 4: Simplify right side
    70,939.10x = 3,785,808,000.51
  5. Step 5: Solve for x
    x = 3,785,808,000.51/70,939.10
  6. Step 6: Final answer
    x = 53,367.01

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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.