Home / 90,064.97-124,306.79-59,384.09

Finding the Fourth Proportional to 90,064.97, 124,306.79 and 59,384.09

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Solution

The fourth proportional to 90,064.97, 124,306.79 and 59,384.09 is: 81,961.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,064.97 : 124,306.79 = 59,384.09 : x
  2. Step 2: Convert to fraction form
    90,064.97/124,306.79 = 59,384.09/x
  3. Step 3: Cross multiply
    90,064.97x = 124,306.79 × 59,384.09
  4. Step 4: Simplify right side
    90,064.97x = 7,381,844,686.52
  5. Step 5: Solve for x
    x = 7,381,844,686.52/90,064.97
  6. Step 6: Final answer
    x = 81,961.33

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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.