Home / 91,763.04-137,528.52-52,342.44

Finding the Fourth Proportional to 91,763.04, 137,528.52 and 52,342.44

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Solution

The fourth proportional to 91,763.04, 137,528.52 and 52,342.44 is: 78,447.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,763.04 : 137,528.52 = 52,342.44 : x
  2. Step 2: Convert to fraction form
    91,763.04/137,528.52 = 52,342.44/x
  3. Step 3: Cross multiply
    91,763.04x = 137,528.52 × 52,342.44
  4. Step 4: Simplify right side
    91,763.04x = 7,198,578,306.39
  5. Step 5: Solve for x
    x = 7,198,578,306.39/91,763.04
  6. Step 6: Final answer
    x = 78,447.47

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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.