Home / 83,677.08-115,474.37-45,436.44

Finding the Fourth Proportional to 83,677.08, 115,474.37 and 45,436.44

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Solution

The fourth proportional to 83,677.08, 115,474.37 and 45,436.44 is: 62,702.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,677.08 : 115,474.37 = 45,436.44 : x
  2. Step 2: Convert to fraction form
    83,677.08/115,474.37 = 45,436.44/x
  3. Step 3: Cross multiply
    83,677.08x = 115,474.37 × 45,436.44
  4. Step 4: Simplify right side
    83,677.08x = 5,246,744,056.86
  5. Step 5: Solve for x
    x = 5,246,744,056.86/83,677.08
  6. Step 6: Final answer
    x = 62,702.28

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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.