Home / 90,707.64-125,132.94-58,886.52

Finding the Fourth Proportional to 90,707.64, 125,132.94 and 58,886.52

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Solution

The fourth proportional to 90,707.64, 125,132.94 and 58,886.52 is: 81,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,707.64 : 125,132.94 = 58,886.52 : x
  2. Step 2: Convert to fraction form
    90,707.64/125,132.94 = 58,886.52/x
  3. Step 3: Cross multiply
    90,707.64x = 125,132.94 × 58,886.52
  4. Step 4: Simplify right side
    90,707.64x = 7,368,643,373.97
  5. Step 5: Solve for x
    x = 7,368,643,373.97/90,707.64
  6. Step 6: Final answer
    x = 81,235.09

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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.