Home / 85,326.24-127,988.33-22,140.74

Finding the Fourth Proportional to 85,326.24, 127,988.33 and 22,140.74

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Solution

The fourth proportional to 85,326.24, 127,988.33 and 22,140.74 is: 33,210.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,326.24 : 127,988.33 = 22,140.74 : x
  2. Step 2: Convert to fraction form
    85,326.24/127,988.33 = 22,140.74/x
  3. Step 3: Cross multiply
    85,326.24x = 127,988.33 × 22,140.74
  4. Step 4: Simplify right side
    85,326.24x = 2,833,755,586.92
  5. Step 5: Solve for x
    x = 2,833,755,586.92/85,326.24
  6. Step 6: Final answer
    x = 33,210.84

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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.