Home / 43,345.25-65,031.17-38,874.67

Finding the Fourth Proportional to 43,345.25, 65,031.17 and 38,874.67

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Solution

The fourth proportional to 43,345.25, 65,031.17 and 38,874.67 is: 58,323.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,345.25 : 65,031.17 = 38,874.67 : x
  2. Step 2: Convert to fraction form
    43,345.25/65,031.17 = 38,874.67/x
  3. Step 3: Cross multiply
    43,345.25x = 65,031.17 × 38,874.67
  4. Step 4: Simplify right side
    43,345.25x = 2,528,064,753.93
  5. Step 5: Solve for x
    x = 2,528,064,753.93/43,345.25
  6. Step 6: Final answer
    x = 58,323.92

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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.