Home / 110,135.49-151,990.52-62,387.79

Finding the Fourth Proportional to 110,135.49, 151,990.52 and 62,387.79

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Solution

The fourth proportional to 110,135.49, 151,990.52 and 62,387.79 is: 86,097.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,135.49 : 151,990.52 = 62,387.79 : x
  2. Step 2: Convert to fraction form
    110,135.49/151,990.52 = 62,387.79/x
  3. Step 3: Cross multiply
    110,135.49x = 151,990.52 × 62,387.79
  4. Step 4: Simplify right side
    110,135.49x = 9,482,352,331.81
  5. Step 5: Solve for x
    x = 9,482,352,331.81/110,135.49
  6. Step 6: Final answer
    x = 86,097.15

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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.