Home / 56,140.30-83,799.40-49,497.46

Finding the Fourth Proportional to 56,140.30, 83,799.40 and 49,497.46

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Solution

The fourth proportional to 56,140.30, 83,799.40 and 49,497.46 is: 73,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,140.30 : 83,799.40 = 49,497.46 : x
  2. Step 2: Convert to fraction form
    56,140.30/83,799.40 = 49,497.46/x
  3. Step 3: Cross multiply
    56,140.30x = 83,799.40 × 49,497.46
  4. Step 4: Simplify right side
    56,140.30x = 4,147,857,449.52
  5. Step 5: Solve for x
    x = 4,147,857,449.52/56,140.30
  6. Step 6: Final answer
    x = 73,883.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.