Home / 102,720.10-154,080.15-32,604.90

Finding the Fourth Proportional to 102,720.10, 154,080.15 and 32,604.90

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Solution

The fourth proportional to 102,720.10, 154,080.15 and 32,604.90 is: 48,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,720.10 : 154,080.15 = 32,604.90 : x
  2. Step 2: Convert to fraction form
    102,720.10/154,080.15 = 32,604.90/x
  3. Step 3: Cross multiply
    102,720.10x = 154,080.15 × 32,604.90
  4. Step 4: Simplify right side
    102,720.10x = 5,023,767,882.74
  5. Step 5: Solve for x
    x = 5,023,767,882.74/102,720.10
  6. Step 6: Final answer
    x = 48,907.35

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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.