Home / 125,395.29-173,045.02-68,807.61

Finding the Fourth Proportional to 125,395.29, 173,045.02 and 68,807.61

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Solution

The fourth proportional to 125,395.29, 173,045.02 and 68,807.61 is: 94,954.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,395.29 : 173,045.02 = 68,807.61 : x
  2. Step 2: Convert to fraction form
    125,395.29/173,045.02 = 68,807.61/x
  3. Step 3: Cross multiply
    125,395.29x = 173,045.02 × 68,807.61
  4. Step 4: Simplify right side
    125,395.29x = 11,906,814,248.60
  5. Step 5: Solve for x
    x = 11,906,814,248.60/125,395.29
  6. Step 6: Final answer
    x = 94,954.24

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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.