Home / 74,614.23-102,974.90-55,718.55

Finding the Fourth Proportional to 74,614.23, 102,974.90 and 55,718.55

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Solution

The fourth proportional to 74,614.23, 102,974.90 and 55,718.55 is: 76,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,614.23 : 102,974.90 = 55,718.55 : x
  2. Step 2: Convert to fraction form
    74,614.23/102,974.90 = 55,718.55/x
  3. Step 3: Cross multiply
    74,614.23x = 102,974.90 × 55,718.55
  4. Step 4: Simplify right side
    74,614.23x = 5,737,611,835.80
  5. Step 5: Solve for x
    x = 5,737,611,835.80/74,614.23
  6. Step 6: Final answer
    x = 76,897.02

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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.