Home / 89,847.34-124,029.18-58,031.75

Finding the Fourth Proportional to 89,847.34, 124,029.18 and 58,031.75

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Solution

The fourth proportional to 89,847.34, 124,029.18 and 58,031.75 is: 80,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,847.34 : 124,029.18 = 58,031.75 : x
  2. Step 2: Convert to fraction form
    89,847.34/124,029.18 = 58,031.75/x
  3. Step 3: Cross multiply
    89,847.34x = 124,029.18 × 58,031.75
  4. Step 4: Simplify right side
    89,847.34x = 7,197,630,366.47
  5. Step 5: Solve for x
    x = 7,197,630,366.47/89,847.34
  6. Step 6: Final answer
    x = 80,109.55

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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.