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Finding the Fourth Proportional to 60,259.93, 90,300.76 and 56,889.97

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Solution

The fourth proportional to 60,259.93, 90,300.76 and 56,889.97 is: 85,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,259.93 : 90,300.76 = 56,889.97 : x
  2. Step 2: Convert to fraction form
    60,259.93/90,300.76 = 56,889.97/x
  3. Step 3: Cross multiply
    60,259.93x = 90,300.76 × 56,889.97
  4. Step 4: Simplify right side
    60,259.93x = 5,137,207,527.38
  5. Step 5: Solve for x
    x = 5,137,207,527.38/60,259.93
  6. Step 6: Final answer
    x = 85,250.80

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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.