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Finding the Fourth Proportional to 62,471.59, 86,211.45 and 34,176.67

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Solution

The fourth proportional to 62,471.59, 86,211.45 and 34,176.67 is: 47,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,471.59 : 86,211.45 = 34,176.67 : x
  2. Step 2: Convert to fraction form
    62,471.59/86,211.45 = 34,176.67/x
  3. Step 3: Cross multiply
    62,471.59x = 86,211.45 × 34,176.67
  4. Step 4: Simplify right side
    62,471.59x = 2,946,420,061.34
  5. Step 5: Solve for x
    x = 2,946,420,061.34/62,471.59
  6. Step 6: Final answer
    x = 47,164.16

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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.