Home / 91,046.60-136,568.28-34,871.48

Finding the Fourth Proportional to 91,046.60, 136,568.28 and 34,871.48

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Solution

The fourth proportional to 91,046.60, 136,568.28 and 34,871.48 is: 52,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,046.60 : 136,568.28 = 34,871.48 : x
  2. Step 2: Convert to fraction form
    91,046.60/136,568.28 = 34,871.48/x
  3. Step 3: Cross multiply
    91,046.60x = 136,568.28 × 34,871.48
  4. Step 4: Simplify right side
    91,046.60x = 4,762,338,386.08
  5. Step 5: Solve for x
    x = 4,762,338,386.08/91,046.60
  6. Step 6: Final answer
    x = 52,306.60

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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.