Home / 88,567.40-121,974.18-86,632.04

Finding the Fourth Proportional to 88,567.40, 121,974.18 and 86,632.04

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Solution

The fourth proportional to 88,567.40, 121,974.18 and 86,632.04 is: 119,308.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,567.40 : 121,974.18 = 86,632.04 : x
  2. Step 2: Convert to fraction form
    88,567.40/121,974.18 = 86,632.04/x
  3. Step 3: Cross multiply
    88,567.40x = 121,974.18 × 86,632.04
  4. Step 4: Simplify right side
    88,567.40x = 10,566,872,040.73
  5. Step 5: Solve for x
    x = 10,566,872,040.73/88,567.40
  6. Step 6: Final answer
    x = 119,308.82

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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.