Home / 125,909.49-173,764.11-70,723.29

Finding the Fourth Proportional to 125,909.49, 173,764.11 and 70,723.29

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Solution

The fourth proportional to 125,909.49, 173,764.11 and 70,723.29 is: 97,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,909.49 : 173,764.11 = 70,723.29 : x
  2. Step 2: Convert to fraction form
    125,909.49/173,764.11 = 70,723.29/x
  3. Step 3: Cross multiply
    125,909.49x = 173,764.11 × 70,723.29
  4. Step 4: Simplify right side
    125,909.49x = 12,289,169,543.12
  5. Step 5: Solve for x
    x = 12,289,169,543.12/125,909.49
  6. Step 6: Final answer
    x = 97,603.20

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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.