Home / 88,309.38-121,870.14-50,590.92

Finding the Fourth Proportional to 88,309.38, 121,870.14 and 50,590.92

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Solution

The fourth proportional to 88,309.38, 121,870.14 and 50,590.92 is: 69,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,309.38 : 121,870.14 = 50,590.92 : x
  2. Step 2: Convert to fraction form
    88,309.38/121,870.14 = 50,590.92/x
  3. Step 3: Cross multiply
    88,309.38x = 121,870.14 × 50,590.92
  4. Step 4: Simplify right side
    88,309.38x = 6,165,522,503.13
  5. Step 5: Solve for x
    x = 6,165,522,503.13/88,309.38
  6. Step 6: Final answer
    x = 69,817.30

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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.