Home / 82,963.16-124,445.18-20,633.66

Finding the Fourth Proportional to 82,963.16, 124,445.18 and 20,633.66

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Solution

The fourth proportional to 82,963.16, 124,445.18 and 20,633.66 is: 30,950.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,963.16 : 124,445.18 = 20,633.66 : x
  2. Step 2: Convert to fraction form
    82,963.16/124,445.18 = 20,633.66/x
  3. Step 3: Cross multiply
    82,963.16x = 124,445.18 × 20,633.66
  4. Step 4: Simplify right side
    82,963.16x = 2,567,759,532.76
  5. Step 5: Solve for x
    x = 2,567,759,532.76/82,963.16
  6. Step 6: Final answer
    x = 30,950.60

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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.