Home / 75,807.17-113,710.76-42,550.60

Finding the Fourth Proportional to 75,807.17, 113,710.76 and 42,550.60

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Solution

The fourth proportional to 75,807.17, 113,710.76 and 42,550.60 is: 63,825.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,807.17 : 113,710.76 = 42,550.60 : x
  2. Step 2: Convert to fraction form
    75,807.17/113,710.76 = 42,550.60/x
  3. Step 3: Cross multiply
    75,807.17x = 113,710.76 × 42,550.60
  4. Step 4: Simplify right side
    75,807.17x = 4,838,460,673.80
  5. Step 5: Solve for x
    x = 4,838,460,673.80/75,807.17
  6. Step 6: Final answer
    x = 63,825.90

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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.