Home / 89,675.02-123,757.12-49,388.77

Finding the Fourth Proportional to 89,675.02, 123,757.12 and 49,388.77

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Solution

The fourth proportional to 89,675.02, 123,757.12 and 49,388.77 is: 68,159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,675.02 : 123,757.12 = 49,388.77 : x
  2. Step 2: Convert to fraction form
    89,675.02/123,757.12 = 49,388.77/x
  3. Step 3: Cross multiply
    89,675.02x = 123,757.12 × 49,388.77
  4. Step 4: Simplify right side
    89,675.02x = 6,112,211,316.76
  5. Step 5: Solve for x
    x = 6,112,211,316.76/89,675.02
  6. Step 6: Final answer
    x = 68,159.58

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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.