Home / 89,771.96-123,885.27-49,486.40

Finding the Fourth Proportional to 89,771.96, 123,885.27 and 49,486.40

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Solution

The fourth proportional to 89,771.96, 123,885.27 and 49,486.40 is: 68,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,771.96 : 123,885.27 = 49,486.40 : x
  2. Step 2: Convert to fraction form
    89,771.96/123,885.27 = 49,486.40/x
  3. Step 3: Cross multiply
    89,771.96x = 123,885.27 × 49,486.40
  4. Step 4: Simplify right side
    89,771.96x = 6,130,636,025.33
  5. Step 5: Solve for x
    x = 6,130,636,025.33/89,771.96
  6. Step 6: Final answer
    x = 68,291.21

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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.