Home / 102,619.55-153,937.51-36,074.61

Finding the Fourth Proportional to 102,619.55, 153,937.51 and 36,074.61

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Solution

The fourth proportional to 102,619.55, 153,937.51 and 36,074.61 is: 54,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,619.55 : 153,937.51 = 36,074.61 : x
  2. Step 2: Convert to fraction form
    102,619.55/153,937.51 = 36,074.61/x
  3. Step 3: Cross multiply
    102,619.55x = 153,937.51 × 36,074.61
  4. Step 4: Simplify right side
    102,619.55x = 5,553,235,547.43
  5. Step 5: Solve for x
    x = 5,553,235,547.43/102,619.55
  6. Step 6: Final answer
    x = 54,114.79

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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.