Home / 84,806.18-127,211.28-25,641.62

Finding the Fourth Proportional to 84,806.18, 127,211.28 and 25,641.62

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Solution

The fourth proportional to 84,806.18, 127,211.28 and 25,641.62 is: 38,463.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,806.18 : 127,211.28 = 25,641.62 : x
  2. Step 2: Convert to fraction form
    84,806.18/127,211.28 = 25,641.62/x
  3. Step 3: Cross multiply
    84,806.18x = 127,211.28 × 25,641.62
  4. Step 4: Simplify right side
    84,806.18x = 3,261,903,301.47
  5. Step 5: Solve for x
    x = 3,261,903,301.47/84,806.18
  6. Step 6: Final answer
    x = 38,463.04

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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.