Home / 101,537.04-140,102.79-58,508.76

Finding the Fourth Proportional to 101,537.04, 140,102.79 and 58,508.76

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Solution

The fourth proportional to 101,537.04, 140,102.79 and 58,508.76 is: 80,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,537.04 : 140,102.79 = 58,508.76 : x
  2. Step 2: Convert to fraction form
    101,537.04/140,102.79 = 58,508.76/x
  3. Step 3: Cross multiply
    101,537.04x = 140,102.79 × 58,508.76
  4. Step 4: Simplify right side
    101,537.04x = 8,197,240,515.44
  5. Step 5: Solve for x
    x = 8,197,240,515.44/101,537.04
  6. Step 6: Final answer
    x = 80,731.53

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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.