Home / 109,761.12-151,470.81-59,460.12

Finding the Fourth Proportional to 109,761.12, 151,470.81 and 59,460.12

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Solution

The fourth proportional to 109,761.12, 151,470.81 and 59,460.12 is: 82,055.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,761.12 : 151,470.81 = 59,460.12 : x
  2. Step 2: Convert to fraction form
    109,761.12/151,470.81 = 59,460.12/x
  3. Step 3: Cross multiply
    109,761.12x = 151,470.81 × 59,460.12
  4. Step 4: Simplify right side
    109,761.12x = 9,006,472,539.10
  5. Step 5: Solve for x
    x = 9,006,472,539.10/109,761.12
  6. Step 6: Final answer
    x = 82,055.22

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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.