Home / 88,333.20-132,401.16-38,455.20

Finding the Fourth Proportional to 88,333.20, 132,401.16 and 38,455.20

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Solution

The fourth proportional to 88,333.20, 132,401.16 and 38,455.20 is: 57,639.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,333.20 : 132,401.16 = 38,455.20 : x
  2. Step 2: Convert to fraction form
    88,333.20/132,401.16 = 38,455.20/x
  3. Step 3: Cross multiply
    88,333.20x = 132,401.16 × 38,455.20
  4. Step 4: Simplify right side
    88,333.20x = 5,091,513,088.03
  5. Step 5: Solve for x
    x = 5,091,513,088.03/88,333.20
  6. Step 6: Final answer
    x = 57,639.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.