Home / 89,440.15-123,421.43-49,153.05

Finding the Fourth Proportional to 89,440.15, 123,421.43 and 49,153.05

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Solution

The fourth proportional to 89,440.15, 123,421.43 and 49,153.05 is: 67,827.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,440.15 : 123,421.43 = 49,153.05 : x
  2. Step 2: Convert to fraction form
    89,440.15/123,421.43 = 49,153.05/x
  3. Step 3: Cross multiply
    89,440.15x = 123,421.43 × 49,153.05
  4. Step 4: Simplify right side
    89,440.15x = 6,066,539,719.86
  5. Step 5: Solve for x
    x = 6,066,539,719.86/89,440.15
  6. Step 6: Final answer
    x = 67,827.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.