Home / 88,279.80-121,812.03-58,077.33

Finding the Fourth Proportional to 88,279.80, 121,812.03 and 58,077.33

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Solution

The fourth proportional to 88,279.80, 121,812.03 and 58,077.33 is: 80,137.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,279.80 : 121,812.03 = 58,077.33 : x
  2. Step 2: Convert to fraction form
    88,279.80/121,812.03 = 58,077.33/x
  3. Step 3: Cross multiply
    88,279.80x = 121,812.03 × 58,077.33
  4. Step 4: Simplify right side
    88,279.80x = 7,074,517,464.28
  5. Step 5: Solve for x
    x = 7,074,517,464.28/88,279.80
  6. Step 6: Final answer
    x = 80,137.44

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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.