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Finding the Fourth Proportional to 75,411.73, 113,110.26 and 37,956.88

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Solution

The fourth proportional to 75,411.73, 113,110.26 and 37,956.88 is: 56,931.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,411.73 : 113,110.26 = 37,956.88 : x
  2. Step 2: Convert to fraction form
    75,411.73/113,110.26 = 37,956.88/x
  3. Step 3: Cross multiply
    75,411.73x = 113,110.26 × 37,956.88
  4. Step 4: Simplify right side
    75,411.73x = 4,293,312,565.59
  5. Step 5: Solve for x
    x = 4,293,312,565.59/75,411.73
  6. Step 6: Final answer
    x = 56,931.63

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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.