Home / 89,014.40-122,850.78-53,204.12

Finding the Fourth Proportional to 89,014.40, 122,850.78 and 53,204.12

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Solution

The fourth proportional to 89,014.40, 122,850.78 and 53,204.12 is: 73,428.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,014.40 : 122,850.78 = 53,204.12 : x
  2. Step 2: Convert to fraction form
    89,014.40/122,850.78 = 53,204.12/x
  3. Step 3: Cross multiply
    89,014.40x = 122,850.78 × 53,204.12
  4. Step 4: Simplify right side
    89,014.40x = 6,536,167,641.21
  5. Step 5: Solve for x
    x = 6,536,167,641.21/89,014.40
  6. Step 6: Final answer
    x = 73,428.21

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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.