Home / 70,344.17-97,084.20-40,122.55

Finding the Fourth Proportional to 70,344.17, 97,084.20 and 40,122.55

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Solution

The fourth proportional to 70,344.17, 97,084.20 and 40,122.55 is: 55,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,344.17 : 97,084.20 = 40,122.55 : x
  2. Step 2: Convert to fraction form
    70,344.17/97,084.20 = 40,122.55/x
  3. Step 3: Cross multiply
    70,344.17x = 97,084.20 × 40,122.55
  4. Step 4: Simplify right side
    70,344.17x = 3,895,265,668.71
  5. Step 5: Solve for x
    x = 3,895,265,668.71/70,344.17
  6. Step 6: Final answer
    x = 55,374.39

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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.