Home / 70,352.28-97,086.15-38,521.19

Finding the Fourth Proportional to 70,352.28, 97,086.15 and 38,521.19

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Solution

The fourth proportional to 70,352.28, 97,086.15 and 38,521.19 is: 53,159.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,352.28 : 97,086.15 = 38,521.19 : x
  2. Step 2: Convert to fraction form
    70,352.28/97,086.15 = 38,521.19/x
  3. Step 3: Cross multiply
    70,352.28x = 97,086.15 × 38,521.19
  4. Step 4: Simplify right side
    70,352.28x = 3,739,873,909.16
  5. Step 5: Solve for x
    x = 3,739,873,909.16/70,352.28
  6. Step 6: Final answer
    x = 53,159.25

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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.