Home / 56,000.70-77,283.18-32,128.38

Finding the Fourth Proportional to 56,000.70, 77,283.18 and 32,128.38

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Solution

The fourth proportional to 56,000.70, 77,283.18 and 32,128.38 is: 44,338.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000.70 : 77,283.18 = 32,128.38 : x
  2. Step 2: Convert to fraction form
    56,000.70/77,283.18 = 32,128.38/x
  3. Step 3: Cross multiply
    56,000.70x = 77,283.18 × 32,128.38
  4. Step 4: Simplify right side
    56,000.70x = 2,482,983,374.65
  5. Step 5: Solve for x
    x = 2,482,983,374.65/56,000.70
  6. Step 6: Final answer
    x = 44,338.43

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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.