Home / 83,559.27-115,385.93-56,801.32

Finding the Fourth Proportional to 83,559.27, 115,385.93 and 56,801.32

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Solution

The fourth proportional to 83,559.27, 115,385.93 and 56,801.32 is: 78,436.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,559.27 : 115,385.93 = 56,801.32 : x
  2. Step 2: Convert to fraction form
    83,559.27/115,385.93 = 56,801.32/x
  3. Step 3: Cross multiply
    83,559.27x = 115,385.93 × 56,801.32
  4. Step 4: Simplify right side
    83,559.27x = 6,554,073,133.43
  5. Step 5: Solve for x
    x = 6,554,073,133.43/83,559.27
  6. Step 6: Final answer
    x = 78,436.22

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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.