Home / 84,914.40-127,177.38-40,572.30

Finding the Fourth Proportional to 84,914.40, 127,177.38 and 40,572.30

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Solution

The fourth proportional to 84,914.40, 127,177.38 and 40,572.30 is: 60,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,914.40 : 127,177.38 = 40,572.30 : x
  2. Step 2: Convert to fraction form
    84,914.40/127,177.38 = 40,572.30/x
  3. Step 3: Cross multiply
    84,914.40x = 127,177.38 × 40,572.30
  4. Step 4: Simplify right side
    84,914.40x = 5,159,878,814.57
  5. Step 5: Solve for x
    x = 5,159,878,814.57/84,914.40
  6. Step 6: Final answer
    x = 60,765.65

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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.