Home / 84,681.36-127,022.04-34,752.96

Finding the Fourth Proportional to 84,681.36, 127,022.04 and 34,752.96

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Solution

The fourth proportional to 84,681.36, 127,022.04 and 34,752.96 is: 52,129.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,681.36 : 127,022.04 = 34,752.96 : x
  2. Step 2: Convert to fraction form
    84,681.36/127,022.04 = 34,752.96/x
  3. Step 3: Cross multiply
    84,681.36x = 127,022.04 × 34,752.96
  4. Step 4: Simplify right side
    84,681.36x = 4,414,391,875.24
  5. Step 5: Solve for x
    x = 4,414,391,875.24/84,681.36
  6. Step 6: Final answer
    x = 52,129.44

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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.