Home / 62,125.12-85,732.80-33,830.20

Finding the Fourth Proportional to 62,125.12, 85,732.80 and 33,830.20

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Solution

The fourth proportional to 62,125.12, 85,732.80 and 33,830.20 is: 46,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,125.12 : 85,732.80 = 33,830.20 : x
  2. Step 2: Convert to fraction form
    62,125.12/85,732.80 = 33,830.20/x
  3. Step 3: Cross multiply
    62,125.12x = 85,732.80 × 33,830.20
  4. Step 4: Simplify right side
    62,125.12x = 2,900,357,770.56
  5. Step 5: Solve for x
    x = 2,900,357,770.56/62,125.12
  6. Step 6: Final answer
    x = 46,685.75

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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.