Home / 92,917.12-139,397.28-30,588.16

Finding the Fourth Proportional to 92,917.12, 139,397.28 and 30,588.16

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Solution

The fourth proportional to 92,917.12, 139,397.28 and 30,588.16 is: 45,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,917.12 : 139,397.28 = 30,588.16 : x
  2. Step 2: Convert to fraction form
    92,917.12/139,397.28 = 30,588.16/x
  3. Step 3: Cross multiply
    92,917.12x = 139,397.28 × 30,588.16
  4. Step 4: Simplify right side
    92,917.12x = 4,263,906,304.20
  5. Step 5: Solve for x
    x = 4,263,906,304.20/92,917.12
  6. Step 6: Final answer
    x = 45,889.35

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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.