Home / 88,562.40-121,967.28-86,627.04

Finding the Fourth Proportional to 88,562.40, 121,967.28 and 86,627.04

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Solution

The fourth proportional to 88,562.40, 121,967.28 and 86,627.04 is: 119,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,562.40 : 121,967.28 = 86,627.04 : x
  2. Step 2: Convert to fraction form
    88,562.40/121,967.28 = 86,627.04/x
  3. Step 3: Cross multiply
    88,562.40x = 121,967.28 × 86,627.04
  4. Step 4: Simplify right side
    88,562.40x = 10,565,664,443.25
  5. Step 5: Solve for x
    x = 10,565,664,443.25/88,562.40
  6. Step 6: Final answer
    x = 119,301.92

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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.