Home / 99,633.12-149,514.40-37,303.04

Finding the Fourth Proportional to 99,633.12, 149,514.40 and 37,303.04

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Solution

The fourth proportional to 99,633.12, 149,514.40 and 37,303.04 is: 55,978.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,633.12 : 149,514.40 = 37,303.04 : x
  2. Step 2: Convert to fraction form
    99,633.12/149,514.40 = 37,303.04/x
  3. Step 3: Cross multiply
    99,633.12x = 149,514.40 × 37,303.04
  4. Step 4: Simplify right side
    99,633.12x = 5,577,341,643.78
  5. Step 5: Solve for x
    x = 5,577,341,643.78/99,633.12
  6. Step 6: Final answer
    x = 55,978.79

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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.