Home / 74,543.08-111,780.06-43,387.24

Finding the Fourth Proportional to 74,543.08, 111,780.06 and 43,387.24

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Solution

The fourth proportional to 74,543.08, 111,780.06 and 43,387.24 is: 65,060.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,543.08 : 111,780.06 = 43,387.24 : x
  2. Step 2: Convert to fraction form
    74,543.08/111,780.06 = 43,387.24/x
  3. Step 3: Cross multiply
    74,543.08x = 111,780.06 × 43,387.24
  4. Step 4: Simplify right side
    74,543.08x = 4,849,828,290.43
  5. Step 5: Solve for x
    x = 4,849,828,290.43/74,543.08
  6. Step 6: Final answer
    x = 65,060.74

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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.