Home / 99,752.60-137,639.73-59,470.08

Finding the Fourth Proportional to 99,752.60, 137,639.73 and 59,470.08

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Solution

The fourth proportional to 99,752.60, 137,639.73 and 59,470.08 is: 82,057.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,752.60 : 137,639.73 = 59,470.08 : x
  2. Step 2: Convert to fraction form
    99,752.60/137,639.73 = 59,470.08/x
  3. Step 3: Cross multiply
    99,752.60x = 137,639.73 × 59,470.08
  4. Step 4: Simplify right side
    99,752.60x = 8,185,445,754.28
  5. Step 5: Solve for x
    x = 8,185,445,754.28/99,752.60
  6. Step 6: Final answer
    x = 82,057.47

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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.