Home / 88,165.12-132,853.76-72,924.16

Finding the Fourth Proportional to 88,165.12, 132,853.76 and 72,924.16

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Solution

The fourth proportional to 88,165.12, 132,853.76 and 72,924.16 is: 109,887.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,165.12 : 132,853.76 = 72,924.16 : x
  2. Step 2: Convert to fraction form
    88,165.12/132,853.76 = 72,924.16/x
  3. Step 3: Cross multiply
    88,165.12x = 132,853.76 × 72,924.16
  4. Step 4: Simplify right side
    88,165.12x = 9,688,248,850.84
  5. Step 5: Solve for x
    x = 9,688,248,850.84/88,165.12
  6. Step 6: Final answer
    x = 109,887.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.