Home / 92,956.32-128,279.40-52,677.76

Finding the Fourth Proportional to 92,956.32, 128,279.40 and 52,677.76

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Solution

The fourth proportional to 92,956.32, 128,279.40 and 52,677.76 is: 72,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,956.32 : 128,279.40 = 52,677.76 : x
  2. Step 2: Convert to fraction form
    92,956.32/128,279.40 = 52,677.76/x
  3. Step 3: Cross multiply
    92,956.32x = 128,279.40 × 52,677.76
  4. Step 4: Simplify right side
    92,956.32x = 6,757,471,446.14
  5. Step 5: Solve for x
    x = 6,757,471,446.14/92,956.32
  6. Step 6: Final answer
    x = 72,695.13

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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.