Home / 125,569.48-173,315.76-71,885.50

Finding the Fourth Proportional to 125,569.48, 173,315.76 and 71,885.50

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Solution

The fourth proportional to 125,569.48, 173,315.76 and 71,885.50 is: 99,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,569.48 : 173,315.76 = 71,885.50 : x
  2. Step 2: Convert to fraction form
    125,569.48/173,315.76 = 71,885.50/x
  3. Step 3: Cross multiply
    125,569.48x = 173,315.76 × 71,885.50
  4. Step 4: Simplify right side
    125,569.48x = 12,458,890,065.48
  5. Step 5: Solve for x
    x = 12,458,890,065.48/125,569.48
  6. Step 6: Final answer
    x = 99,219.09

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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.