Home / 84,904.46-127,323.33-28,729.10

Finding the Fourth Proportional to 84,904.46, 127,323.33 and 28,729.10

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Solution

The fourth proportional to 84,904.46, 127,323.33 and 28,729.10 is: 43,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,904.46 : 127,323.33 = 28,729.10 : x
  2. Step 2: Convert to fraction form
    84,904.46/127,323.33 = 28,729.10/x
  3. Step 3: Cross multiply
    84,904.46x = 127,323.33 × 28,729.10
  4. Step 4: Simplify right side
    84,904.46x = 3,657,884,679.90
  5. Step 5: Solve for x
    x = 3,657,884,679.90/84,904.46
  6. Step 6: Final answer
    x = 43,082.36

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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.