Home / 56,545.40-84,818.10-50,907.80

Finding the Fourth Proportional to 56,545.40, 84,818.10 and 50,907.80

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Solution

The fourth proportional to 56,545.40, 84,818.10 and 50,907.80 is: 76,361.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,545.40 : 84,818.10 = 50,907.80 : x
  2. Step 2: Convert to fraction form
    56,545.40/84,818.10 = 50,907.80/x
  3. Step 3: Cross multiply
    56,545.40x = 84,818.10 × 50,907.80
  4. Step 4: Simplify right side
    56,545.40x = 4,317,902,871.18
  5. Step 5: Solve for x
    x = 4,317,902,871.18/56,545.40
  6. Step 6: Final answer
    x = 76,361.70

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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.