Home / 82,938.71-124,403.74-26,777.76

Finding the Fourth Proportional to 82,938.71, 124,403.74 and 26,777.76

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Solution

The fourth proportional to 82,938.71, 124,403.74 and 26,777.76 is: 40,165.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,938.71 : 124,403.74 = 26,777.76 : x
  2. Step 2: Convert to fraction form
    82,938.71/124,403.74 = 26,777.76/x
  3. Step 3: Cross multiply
    82,938.71x = 124,403.74 × 26,777.76
  4. Step 4: Simplify right side
    82,938.71x = 3,331,253,425.88
  5. Step 5: Solve for x
    x = 3,331,253,425.88/82,938.71
  6. Step 6: Final answer
    x = 40,165.25

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1.5x scale

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.