Home / 90,827.52-136,247.04-28,500.48

Finding the Fourth Proportional to 90,827.52, 136,247.04 and 28,500.48

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Solution

The fourth proportional to 90,827.52, 136,247.04 and 28,500.48 is: 42,752.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,827.52 : 136,247.04 = 28,500.48 : x
  2. Step 2: Convert to fraction form
    90,827.52/136,247.04 = 28,500.48/x
  3. Step 3: Cross multiply
    90,827.52x = 136,247.04 × 28,500.48
  4. Step 4: Simplify right side
    90,827.52x = 3,883,106,038.58
  5. Step 5: Solve for x
    x = 3,883,106,038.58/90,827.52
  6. Step 6: Final answer
    x = 42,752.53

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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.