Home / 90,833.52-136,256.04-28,506.48

Finding the Fourth Proportional to 90,833.52, 136,256.04 and 28,506.48

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Solution

The fourth proportional to 90,833.52, 136,256.04 and 28,506.48 is: 42,761.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,833.52 : 136,256.04 = 28,506.48 : x
  2. Step 2: Convert to fraction form
    90,833.52/136,256.04 = 28,506.48/x
  3. Step 3: Cross multiply
    90,833.52x = 136,256.04 × 28,506.48
  4. Step 4: Simplify right side
    90,833.52x = 3,884,180,079.14
  5. Step 5: Solve for x
    x = 3,884,180,079.14/90,833.52
  6. Step 6: Final answer
    x = 42,761.53

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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.