Home / 75,148.90-103,705.50-41,159.52

Finding the Fourth Proportional to 75,148.90, 103,705.50 and 41,159.52

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Solution

The fourth proportional to 75,148.90, 103,705.50 and 41,159.52 is: 56,800.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,148.90 : 103,705.50 = 41,159.52 : x
  2. Step 2: Convert to fraction form
    75,148.90/103,705.50 = 41,159.52/x
  3. Step 3: Cross multiply
    75,148.90x = 103,705.50 × 41,159.52
  4. Step 4: Simplify right side
    75,148.90x = 4,268,468,601.36
  5. Step 5: Solve for x
    x = 4,268,468,601.36/75,148.90
  6. Step 6: Final answer
    x = 56,800.15

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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.