Home / 91,046.51-136,568.14-34,871.39

Finding the Fourth Proportional to 91,046.51, 136,568.14 and 34,871.39

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Solution

The fourth proportional to 91,046.51, 136,568.14 and 34,871.39 is: 52,306.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,046.51 : 136,568.14 = 34,871.39 : x
  2. Step 2: Convert to fraction form
    91,046.51/136,568.14 = 34,871.39/x
  3. Step 3: Cross multiply
    91,046.51x = 136,568.14 × 34,871.39
  4. Step 4: Simplify right side
    91,046.51x = 4,762,320,101.50
  5. Step 5: Solve for x
    x = 4,762,320,101.50/91,046.51
  6. Step 6: Final answer
    x = 52,306.46

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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.