Home / 125,488.10-173,150.94-71,039.90

Finding the Fourth Proportional to 125,488.10, 173,150.94 and 71,039.90

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Solution

The fourth proportional to 125,488.10, 173,150.94 and 71,039.90 is: 98,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,488.10 : 173,150.94 = 71,039.90 : x
  2. Step 2: Convert to fraction form
    125,488.10/173,150.94 = 71,039.90/x
  3. Step 3: Cross multiply
    125,488.10x = 173,150.94 × 71,039.90
  4. Step 4: Simplify right side
    125,488.10x = 12,300,625,462.51
  5. Step 5: Solve for x
    x = 12,300,625,462.51/125,488.10
  6. Step 6: Final answer
    x = 98,022.25

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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.