Home / 81,504.72-112,373.16-58,248.95

Finding the Fourth Proportional to 81,504.72, 112,373.16 and 58,248.95

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Solution

The fourth proportional to 81,504.72, 112,373.16 and 58,248.95 is: 80,309.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,504.72 : 112,373.16 = 58,248.95 : x
  2. Step 2: Convert to fraction form
    81,504.72/112,373.16 = 58,248.95/x
  3. Step 3: Cross multiply
    81,504.72x = 112,373.16 × 58,248.95
  4. Step 4: Simplify right side
    81,504.72x = 6,545,618,510.53
  5. Step 5: Solve for x
    x = 6,545,618,510.53/81,504.72
  6. Step 6: Final answer
    x = 80,309.68

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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.