Home / 91,042.68-125,443.98-61,182.84

Finding the Fourth Proportional to 91,042.68, 125,443.98 and 61,182.84

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Solution

The fourth proportional to 91,042.68, 125,443.98 and 61,182.84 is: 84,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,042.68 : 125,443.98 = 61,182.84 : x
  2. Step 2: Convert to fraction form
    91,042.68/125,443.98 = 61,182.84/x
  3. Step 3: Cross multiply
    91,042.68x = 125,443.98 × 61,182.84
  4. Step 4: Simplify right side
    91,042.68x = 7,675,018,957.30
  5. Step 5: Solve for x
    x = 7,675,018,957.30/91,042.68
  6. Step 6: Final answer
    x = 84,301.33

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1.5x scale

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.