Home / 99,588.20-149,555.10-52,932.20

Finding the Fourth Proportional to 99,588.20, 149,555.10 and 52,932.20

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Solution

The fourth proportional to 99,588.20, 149,555.10 and 52,932.20 is: 79,490.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,588.20 : 149,555.10 = 52,932.20 : x
  2. Step 2: Convert to fraction form
    99,588.20/149,555.10 = 52,932.20/x
  3. Step 3: Cross multiply
    99,588.20x = 149,555.10 × 52,932.20
  4. Step 4: Simplify right side
    99,588.20x = 7,916,280,464.22
  5. Step 5: Solve for x
    x = 7,916,280,464.22/99,588.20
  6. Step 6: Final answer
    x = 79,490.15

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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.