Home / 84,890.57-127,335.71-22,561.07

Finding the Fourth Proportional to 84,890.57, 127,335.71 and 22,561.07

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Solution

The fourth proportional to 84,890.57, 127,335.71 and 22,561.07 is: 33,841.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,890.57 : 127,335.71 = 22,561.07 : x
  2. Step 2: Convert to fraction form
    84,890.57/127,335.71 = 22,561.07/x
  3. Step 3: Cross multiply
    84,890.57x = 127,335.71 × 22,561.07
  4. Step 4: Simplify right side
    84,890.57x = 2,872,829,286.53
  5. Step 5: Solve for x
    x = 2,872,829,286.53/84,890.57
  6. Step 6: Final answer
    x = 33,841.56

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1.5x scale

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.