Home / 125,898.41-173,740.46-69,309.78

Finding the Fourth Proportional to 125,898.41, 173,740.46 and 69,309.78

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Solution

The fourth proportional to 125,898.41, 173,740.46 and 69,309.78 is: 95,647.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,898.41 : 173,740.46 = 69,309.78 : x
  2. Step 2: Convert to fraction form
    125,898.41/173,740.46 = 69,309.78/x
  3. Step 3: Cross multiply
    125,898.41x = 173,740.46 × 69,309.78
  4. Step 4: Simplify right side
    125,898.41x = 12,041,913,059.70
  5. Step 5: Solve for x
    x = 12,041,913,059.70/125,898.41
  6. Step 6: Final answer
    x = 95,647.86

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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.