Home / 88,938.20-122,737.76-50,703.41

Finding the Fourth Proportional to 88,938.20, 122,737.76 and 50,703.41

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Solution

The fourth proportional to 88,938.20, 122,737.76 and 50,703.41 is: 69,972.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,938.20 : 122,737.76 = 50,703.41 : x
  2. Step 2: Convert to fraction form
    88,938.20/122,737.76 = 50,703.41/x
  3. Step 3: Cross multiply
    88,938.20x = 122,737.76 × 50,703.41
  4. Step 4: Simplify right side
    88,938.20x = 6,223,222,967.76
  5. Step 5: Solve for x
    x = 6,223,222,967.76/88,938.20
  6. Step 6: Final answer
    x = 69,972.44

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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.