Home / 49,980.71-68,972.10-27,319.76

Finding the Fourth Proportional to 49,980.71, 68,972.10 and 27,319.76

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Solution

The fourth proportional to 49,980.71, 68,972.10 and 27,319.76 is: 37,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,980.71 : 68,972.10 = 27,319.76 : x
  2. Step 2: Convert to fraction form
    49,980.71/68,972.10 = 27,319.76/x
  3. Step 3: Cross multiply
    49,980.71x = 68,972.10 × 27,319.76
  4. Step 4: Simplify right side
    49,980.71x = 1,884,301,218.70
  5. Step 5: Solve for x
    x = 1,884,301,218.70/49,980.71
  6. Step 6: Final answer
    x = 37,700.57

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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.