Home / 74,909.02-103,377.55-43,077.92

Finding the Fourth Proportional to 74,909.02, 103,377.55 and 43,077.92

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Solution

The fourth proportional to 74,909.02, 103,377.55 and 43,077.92 is: 59,449.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,909.02 : 103,377.55 = 43,077.92 : x
  2. Step 2: Convert to fraction form
    74,909.02/103,377.55 = 43,077.92/x
  3. Step 3: Cross multiply
    74,909.02x = 103,377.55 × 43,077.92
  4. Step 4: Simplify right side
    74,909.02x = 4,453,289,975.43
  5. Step 5: Solve for x
    x = 4,453,289,975.43/74,909.02
  6. Step 6: Final answer
    x = 59,449.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.