Home / 89,268.90-123,192.36-48,981.93

Finding the Fourth Proportional to 89,268.90, 123,192.36 and 48,981.93

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Solution

The fourth proportional to 89,268.90, 123,192.36 and 48,981.93 is: 67,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,268.90 : 123,192.36 = 48,981.93 : x
  2. Step 2: Convert to fraction form
    89,268.90/123,192.36 = 48,981.93/x
  3. Step 3: Cross multiply
    89,268.90x = 123,192.36 × 48,981.93
  4. Step 4: Simplify right side
    89,268.90x = 6,034,199,554.05
  5. Step 5: Solve for x
    x = 6,034,199,554.05/89,268.90
  6. Step 6: Final answer
    x = 67,595.76

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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.