Home / 75,035.98-112,363.46-45,031.33

Finding the Fourth Proportional to 75,035.98, 112,363.46 and 45,031.33

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Solution

The fourth proportional to 75,035.98, 112,363.46 and 45,031.33 is: 67,432.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,035.98 : 112,363.46 = 45,031.33 : x
  2. Step 2: Convert to fraction form
    75,035.98/112,363.46 = 45,031.33/x
  3. Step 3: Cross multiply
    75,035.98x = 112,363.46 × 45,031.33
  4. Step 4: Simplify right side
    75,035.98x = 5,059,875,260.23
  5. Step 5: Solve for x
    x = 5,059,875,260.23/75,035.98
  6. Step 6: Final answer
    x = 67,432.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.