Home / 67,831.68-101,690.10-25,688.53

Finding the Fourth Proportional to 67,831.68, 101,690.10 and 25,688.53

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Solution

The fourth proportional to 67,831.68, 101,690.10 and 25,688.53 is: 38,511.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,831.68 : 101,690.10 = 25,688.53 : x
  2. Step 2: Convert to fraction form
    67,831.68/101,690.10 = 25,688.53/x
  3. Step 3: Cross multiply
    67,831.68x = 101,690.10 × 25,688.53
  4. Step 4: Simplify right side
    67,831.68x = 2,612,269,184.55
  5. Step 5: Solve for x
    x = 2,612,269,184.55/67,831.68
  6. Step 6: Final answer
    x = 38,511.05

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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.