Home / 61,534.49-91,818.77-57,772.85

Finding the Fourth Proportional to 61,534.49, 91,818.77 and 57,772.85

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Solution

The fourth proportional to 61,534.49, 91,818.77 and 57,772.85 is: 86,205.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,534.49 : 91,818.77 = 57,772.85 : x
  2. Step 2: Convert to fraction form
    61,534.49/91,818.77 = 57,772.85/x
  3. Step 3: Cross multiply
    61,534.49x = 91,818.77 × 57,772.85
  4. Step 4: Simplify right side
    61,534.49x = 5,304,631,278.44
  5. Step 5: Solve for x
    x = 5,304,631,278.44/61,534.49
  6. Step 6: Final answer
    x = 86,205.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.