Home / 83,032.26-124,548.81-20,702.76

Finding the Fourth Proportional to 83,032.26, 124,548.81 and 20,702.76

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Solution

The fourth proportional to 83,032.26, 124,548.81 and 20,702.76 is: 31,054.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,032.26 : 124,548.81 = 20,702.76 : x
  2. Step 2: Convert to fraction form
    83,032.26/124,548.81 = 20,702.76/x
  3. Step 3: Cross multiply
    83,032.26x = 124,548.81 × 20,702.76
  4. Step 4: Simplify right side
    83,032.26x = 2,578,504,121.72
  5. Step 5: Solve for x
    x = 2,578,504,121.72/83,032.26
  6. Step 6: Final answer
    x = 31,054.24

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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.