Home / 89,486.18-123,492.78-49,201.64

Finding the Fourth Proportional to 89,486.18, 123,492.78 and 49,201.64

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Solution

The fourth proportional to 89,486.18, 123,492.78 and 49,201.64 is: 67,899.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,486.18 : 123,492.78 = 49,201.64 : x
  2. Step 2: Convert to fraction form
    89,486.18/123,492.78 = 49,201.64/x
  3. Step 3: Cross multiply
    89,486.18x = 123,492.78 × 49,201.64
  4. Step 4: Simplify right side
    89,486.18x = 6,076,047,304.16
  5. Step 5: Solve for x
    x = 6,076,047,304.16/89,486.18
  6. Step 6: Final answer
    x = 67,899.28

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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.