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Finding the Fourth Proportional to 59,656.66, 89,480.33 and 34,680.78

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Solution

The fourth proportional to 59,656.66, 89,480.33 and 34,680.78 is: 52,018.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,656.66 : 89,480.33 = 34,680.78 : x
  2. Step 2: Convert to fraction form
    59,656.66/89,480.33 = 34,680.78/x
  3. Step 3: Cross multiply
    59,656.66x = 89,480.33 × 34,680.78
  4. Step 4: Simplify right side
    59,656.66x = 3,103,247,639.06
  5. Step 5: Solve for x
    x = 3,103,247,639.06/59,656.66
  6. Step 6: Final answer
    x = 52,018.46

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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.