Home / 75,101.46-103,630.85-59,826.91

Finding the Fourth Proportional to 75,101.46, 103,630.85 and 59,826.91

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Solution

The fourth proportional to 75,101.46, 103,630.85 and 59,826.91 is: 82,553.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,101.46 : 103,630.85 = 59,826.91 : x
  2. Step 2: Convert to fraction form
    75,101.46/103,630.85 = 59,826.91/x
  3. Step 3: Cross multiply
    75,101.46x = 103,630.85 × 59,826.91
  4. Step 4: Simplify right side
    75,101.46x = 6,199,913,536.17
  5. Step 5: Solve for x
    x = 6,199,913,536.17/75,101.46
  6. Step 6: Final answer
    x = 82,553.83

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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.