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Finding the Fourth Proportional to 75,066.73, 103,472.98 and 59,125.93

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Solution

The fourth proportional to 75,066.73, 103,472.98 and 59,125.93 is: 81,499.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,066.73 : 103,472.98 = 59,125.93 : x
  2. Step 2: Convert to fraction form
    75,066.73/103,472.98 = 59,125.93/x
  3. Step 3: Cross multiply
    75,066.73x = 103,472.98 × 59,125.93
  4. Step 4: Simplify right side
    75,066.73x = 6,117,936,172.37
  5. Step 5: Solve for x
    x = 6,117,936,172.37/75,066.73
  6. Step 6: Final answer
    x = 81,499.97

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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.