Home / 88,142.14-121,647.27-54,613.18

Finding the Fourth Proportional to 88,142.14, 121,647.27 and 54,613.18

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Solution

The fourth proportional to 88,142.14, 121,647.27 and 54,613.18 is: 75,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,142.14 : 121,647.27 = 54,613.18 : x
  2. Step 2: Convert to fraction form
    88,142.14/121,647.27 = 54,613.18/x
  3. Step 3: Cross multiply
    88,142.14x = 121,647.27 × 54,613.18
  4. Step 4: Simplify right side
    88,142.14x = 6,643,544,253.02
  5. Step 5: Solve for x
    x = 6,643,544,253.02/88,142.14
  6. Step 6: Final answer
    x = 75,373.08

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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.