Home / 50,775.17-70,068.65-28,112.85

Finding the Fourth Proportional to 50,775.17, 70,068.65 and 28,112.85

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Solution

The fourth proportional to 50,775.17, 70,068.65 and 28,112.85 is: 38,795.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,775.17 : 70,068.65 = 28,112.85 : x
  2. Step 2: Convert to fraction form
    50,775.17/70,068.65 = 28,112.85/x
  3. Step 3: Cross multiply
    50,775.17x = 70,068.65 × 28,112.85
  4. Step 4: Simplify right side
    50,775.17x = 1,969,829,306.59
  5. Step 5: Solve for x
    x = 1,969,829,306.59/50,775.17
  6. Step 6: Final answer
    x = 38,795.13

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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.