Home / 82,170.29-113,394.51-45,869.63

Finding the Fourth Proportional to 82,170.29, 113,394.51 and 45,869.63

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Solution

The fourth proportional to 82,170.29, 113,394.51 and 45,869.63 is: 63,299.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,170.29 : 113,394.51 = 45,869.63 : x
  2. Step 2: Convert to fraction form
    82,170.29/113,394.51 = 45,869.63/x
  3. Step 3: Cross multiply
    82,170.29x = 113,394.51 × 45,869.63
  4. Step 4: Simplify right side
    82,170.29x = 5,201,363,650.76
  5. Step 5: Solve for x
    x = 5,201,363,650.76/82,170.29
  6. Step 6: Final answer
    x = 63,299.81

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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.