Home / 125,724.64-173,588.88-83,371.36

Finding the Fourth Proportional to 125,724.64, 173,588.88 and 83,371.36

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Solution

The fourth proportional to 125,724.64, 173,588.88 and 83,371.36 is: 115,111.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,724.64 : 173,588.88 = 83,371.36 : x
  2. Step 2: Convert to fraction form
    125,724.64/173,588.88 = 83,371.36/x
  3. Step 3: Cross multiply
    125,724.64x = 173,588.88 × 83,371.36
  4. Step 4: Simplify right side
    125,724.64x = 14,472,341,006.48
  5. Step 5: Solve for x
    x = 14,472,341,006.48/125,724.64
  6. Step 6: Final answer
    x = 115,111.41

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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.