Home / 89,137.85-123,013.65-50,903.63

Finding the Fourth Proportional to 89,137.85, 123,013.65 and 50,903.63

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Solution

The fourth proportional to 89,137.85, 123,013.65 and 50,903.63 is: 70,248.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,137.85 : 123,013.65 = 50,903.63 : x
  2. Step 2: Convert to fraction form
    89,137.85/123,013.65 = 50,903.63/x
  3. Step 3: Cross multiply
    89,137.85x = 123,013.65 × 50,903.63
  4. Step 4: Simplify right side
    89,137.85x = 6,261,841,324.55
  5. Step 5: Solve for x
    x = 6,261,841,324.55/89,137.85
  6. Step 6: Final answer
    x = 70,248.96

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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.