Home / 84,274.08-116,235.18-58,781.76

Finding the Fourth Proportional to 84,274.08, 116,235.18 and 58,781.76

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Solution

The fourth proportional to 84,274.08, 116,235.18 and 58,781.76 is: 81,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,274.08 : 116,235.18 = 58,781.76 : x
  2. Step 2: Convert to fraction form
    84,274.08/116,235.18 = 58,781.76/x
  3. Step 3: Cross multiply
    84,274.08x = 116,235.18 × 58,781.76
  4. Step 4: Simplify right side
    84,274.08x = 6,832,508,454.32
  5. Step 5: Solve for x
    x = 6,832,508,454.32/84,274.08
  6. Step 6: Final answer
    x = 81,074.85

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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.