Home / 90,601.14-124,985.96-58,780.02

Finding the Fourth Proportional to 90,601.14, 124,985.96 and 58,780.02

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Solution

The fourth proportional to 90,601.14, 124,985.96 and 58,780.02 is: 81,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,601.14 : 124,985.96 = 58,780.02 : x
  2. Step 2: Convert to fraction form
    90,601.14/124,985.96 = 58,780.02/x
  3. Step 3: Cross multiply
    90,601.14x = 124,985.96 × 58,780.02
  4. Step 4: Simplify right side
    90,601.14x = 7,346,677,228.52
  5. Step 5: Solve for x
    x = 7,346,677,228.52/90,601.14
  6. Step 6: Final answer
    x = 81,088.13

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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.