Home / 85,726.98-118,193.57-58,822.77

Finding the Fourth Proportional to 85,726.98, 118,193.57 and 58,822.77

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Solution

The fourth proportional to 85,726.98, 118,193.57 and 58,822.77 is: 81,100.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,726.98 : 118,193.57 = 58,822.77 : x
  2. Step 2: Convert to fraction form
    85,726.98/118,193.57 = 58,822.77/x
  3. Step 3: Cross multiply
    85,726.98x = 118,193.57 × 58,822.77
  4. Step 4: Simplify right side
    85,726.98x = 6,952,472,889.48
  5. Step 5: Solve for x
    x = 6,952,472,889.48/85,726.98
  6. Step 6: Final answer
    x = 81,100.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.