Home / 82,761.40-114,210.30-45,035.92

Finding the Fourth Proportional to 82,761.40, 114,210.30 and 45,035.92

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Solution

The fourth proportional to 82,761.40, 114,210.30 and 45,035.92 is: 62,149.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,761.40 : 114,210.30 = 45,035.92 : x
  2. Step 2: Convert to fraction form
    82,761.40/114,210.30 = 45,035.92/x
  3. Step 3: Cross multiply
    82,761.40x = 114,210.30 × 45,035.92
  4. Step 4: Simplify right side
    82,761.40x = 5,143,565,933.98
  5. Step 5: Solve for x
    x = 5,143,565,933.98/82,761.40
  6. Step 6: Final answer
    x = 62,149.33

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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.