Home / 125,988.02-173,863.71-68,627.17

Finding the Fourth Proportional to 125,988.02, 173,863.71 and 68,627.17

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Solution

The fourth proportional to 125,988.02, 173,863.71 and 68,627.17 is: 94,705.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,988.02 : 173,863.71 = 68,627.17 : x
  2. Step 2: Convert to fraction form
    125,988.02/173,863.71 = 68,627.17/x
  3. Step 3: Cross multiply
    125,988.02x = 173,863.71 × 68,627.17
  4. Step 4: Simplify right side
    125,988.02x = 11,931,774,383.00
  5. Step 5: Solve for x
    x = 11,931,774,383.00/125,988.02
  6. Step 6: Final answer
    x = 94,705.63

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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.