Home / 84,813.40-127,253.28-25,655.04

Finding the Fourth Proportional to 84,813.40, 127,253.28 and 25,655.04

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Solution

The fourth proportional to 84,813.40, 127,253.28 and 25,655.04 is: 38,492.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,813.40 : 127,253.28 = 25,655.04 : x
  2. Step 2: Convert to fraction form
    84,813.40/127,253.28 = 25,655.04/x
  3. Step 3: Cross multiply
    84,813.40x = 127,253.28 × 25,655.04
  4. Step 4: Simplify right side
    84,813.40x = 3,264,687,988.53
  5. Step 5: Solve for x
    x = 3,264,687,988.53/84,813.40
  6. Step 6: Final answer
    x = 38,492.60

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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.