Home / 70,396.20-97,148.16-38,565.14

Finding the Fourth Proportional to 70,396.20, 97,148.16 and 38,565.14

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Solution

The fourth proportional to 70,396.20, 97,148.16 and 38,565.14 is: 53,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,396.20 : 97,148.16 = 38,565.14 : x
  2. Step 2: Convert to fraction form
    70,396.20/97,148.16 = 38,565.14/x
  3. Step 3: Cross multiply
    70,396.20x = 97,148.16 × 38,565.14
  4. Step 4: Simplify right side
    70,396.20x = 3,746,531,905.40
  5. Step 5: Solve for x
    x = 3,746,531,905.40/70,396.20
  6. Step 6: Final answer
    x = 53,220.66

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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.