Home / 125,718.12-173,480.70-74,027.04

Finding the Fourth Proportional to 125,718.12, 173,480.70 and 74,027.04

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Solution

The fourth proportional to 125,718.12, 173,480.70 and 74,027.04 is: 102,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,718.12 : 173,480.70 = 74,027.04 : x
  2. Step 2: Convert to fraction form
    125,718.12/173,480.70 = 74,027.04/x
  3. Step 3: Cross multiply
    125,718.12x = 173,480.70 × 74,027.04
  4. Step 4: Simplify right side
    125,718.12x = 12,842,262,718.13
  5. Step 5: Solve for x
    x = 12,842,262,718.13/125,718.12
  6. Step 6: Final answer
    x = 102,151.25

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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.