Home / 124,581.76-186,902.40-40,342.02

Finding the Fourth Proportional to 124,581.76, 186,902.40 and 40,342.02

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Solution

The fourth proportional to 124,581.76, 186,902.40 and 40,342.02 is: 60,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,581.76 : 186,902.40 = 40,342.02 : x
  2. Step 2: Convert to fraction form
    124,581.76/186,902.40 = 40,342.02/x
  3. Step 3: Cross multiply
    124,581.76x = 186,902.40 × 40,342.02
  4. Step 4: Simplify right side
    124,581.76x = 7,540,020,358.85
  5. Step 5: Solve for x
    x = 7,540,020,358.85/124,581.76
  6. Step 6: Final answer
    x = 60,522.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.