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Finding the Fourth Proportional to 62,106.71, 93,146.99 and 19,990.55

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Solution

The fourth proportional to 62,106.71, 93,146.99 and 19,990.55 is: 29,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,106.71 : 93,146.99 = 19,990.55 : x
  2. Step 2: Convert to fraction form
    62,106.71/93,146.99 = 19,990.55/x
  3. Step 3: Cross multiply
    62,106.71x = 93,146.99 × 19,990.55
  4. Step 4: Simplify right side
    62,106.71x = 1,862,058,995.26
  5. Step 5: Solve for x
    x = 1,862,058,995.26/62,106.71
  6. Step 6: Final answer
    x = 29,981.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.