Home / 98,026.13-135,168.00-67,758.91

Finding the Fourth Proportional to 98,026.13, 135,168.00 and 67,758.91

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Solution

The fourth proportional to 98,026.13, 135,168.00 and 67,758.91 is: 93,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,026.13 : 135,168.00 = 67,758.91 : x
  2. Step 2: Convert to fraction form
    98,026.13/135,168.00 = 67,758.91/x
  3. Step 3: Cross multiply
    98,026.13x = 135,168.00 × 67,758.91
  4. Step 4: Simplify right side
    98,026.13x = 9,158,835,754.86
  5. Step 5: Solve for x
    x = 9,158,835,754.86/98,026.13
  6. Step 6: Final answer
    x = 93,432.59

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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.