Home / 55,878.18-83,818.80-16,436.58

Finding the Fourth Proportional to 55,878.18, 83,818.80 and 16,436.58

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Solution

The fourth proportional to 55,878.18, 83,818.80 and 16,436.58 is: 24,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,878.18 : 83,818.80 = 16,436.58 : x
  2. Step 2: Convert to fraction form
    55,878.18/83,818.80 = 16,436.58/x
  3. Step 3: Cross multiply
    55,878.18x = 83,818.80 × 16,436.58
  4. Step 4: Simplify right side
    55,878.18x = 1,377,694,411.70
  5. Step 5: Solve for x
    x = 1,377,694,411.70/55,878.18
  6. Step 6: Final answer
    x = 24,655.32

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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.