Home / 89,224.63-123,130.20-51,498.88

Finding the Fourth Proportional to 89,224.63, 123,130.20 and 51,498.88

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Solution

The fourth proportional to 89,224.63, 123,130.20 and 51,498.88 is: 71,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,224.63 : 123,130.20 = 51,498.88 : x
  2. Step 2: Convert to fraction form
    89,224.63/123,130.20 = 51,498.88/x
  3. Step 3: Cross multiply
    89,224.63x = 123,130.20 × 51,498.88
  4. Step 4: Simplify right side
    89,224.63x = 6,341,067,394.18
  5. Step 5: Solve for x
    x = 6,341,067,394.18/89,224.63
  6. Step 6: Final answer
    x = 71,068.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.