Home / 125,559.45-173,301.93-71,875.49

Finding the Fourth Proportional to 125,559.45, 173,301.93 and 71,875.49

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Solution

The fourth proportional to 125,559.45, 173,301.93 and 71,875.49 is: 99,205.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,559.45 : 173,301.93 = 71,875.49 : x
  2. Step 2: Convert to fraction form
    125,559.45/173,301.93 = 71,875.49/x
  3. Step 3: Cross multiply
    125,559.45x = 173,301.93 × 71,875.49
  4. Step 4: Simplify right side
    125,559.45x = 12,456,160,270.19
  5. Step 5: Solve for x
    x = 12,456,160,270.19/125,559.45
  6. Step 6: Final answer
    x = 99,205.28

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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.