Home / 70,318.16-97,035.33-38,480.90

Finding the Fourth Proportional to 70,318.16, 97,035.33 and 38,480.90

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Solution

The fourth proportional to 70,318.16, 97,035.33 and 38,480.90 is: 53,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,318.16 : 97,035.33 = 38,480.90 : x
  2. Step 2: Convert to fraction form
    70,318.16/97,035.33 = 38,480.90/x
  3. Step 3: Cross multiply
    70,318.16x = 97,035.33 × 38,480.90
  4. Step 4: Simplify right side
    70,318.16x = 3,734,006,637.79
  5. Step 5: Solve for x
    x = 3,734,006,637.79/70,318.16
  6. Step 6: Final answer
    x = 53,101.60

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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.