Home / 62,770.80-94,068.72-47,170.20

Finding the Fourth Proportional to 62,770.80, 94,068.72 and 47,170.20

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Solution

The fourth proportional to 62,770.80, 94,068.72 and 47,170.20 is: 70,689.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,770.80 : 94,068.72 = 47,170.20 : x
  2. Step 2: Convert to fraction form
    62,770.80/94,068.72 = 47,170.20/x
  3. Step 3: Cross multiply
    62,770.80x = 94,068.72 × 47,170.20
  4. Step 4: Simplify right side
    62,770.80x = 4,437,240,336.14
  5. Step 5: Solve for x
    x = 4,437,240,336.14/62,770.80
  6. Step 6: Final answer
    x = 70,689.56

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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.