Home / 86,038.18-129,057.06-22,864.66

Finding the Fourth Proportional to 86,038.18, 129,057.06 and 22,864.66

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Solution

The fourth proportional to 86,038.18, 129,057.06 and 22,864.66 is: 34,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,038.18 : 129,057.06 = 22,864.66 : x
  2. Step 2: Convert to fraction form
    86,038.18/129,057.06 = 22,864.66/x
  3. Step 3: Cross multiply
    86,038.18x = 129,057.06 × 22,864.66
  4. Step 4: Simplify right side
    86,038.18x = 2,950,845,797.50
  5. Step 5: Solve for x
    x = 2,950,845,797.50/86,038.18
  6. Step 6: Final answer
    x = 34,296.93

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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.