Home / 89,017.28-122,855.04-53,207.36

Finding the Fourth Proportional to 89,017.28, 122,855.04 and 53,207.36

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Solution

The fourth proportional to 89,017.28, 122,855.04 and 53,207.36 is: 73,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,017.28 : 122,855.04 = 53,207.36 : x
  2. Step 2: Convert to fraction form
    89,017.28/122,855.04 = 53,207.36/x
  3. Step 3: Cross multiply
    89,017.28x = 122,855.04 × 53,207.36
  4. Step 4: Simplify right side
    89,017.28x = 6,536,792,341.09
  5. Step 5: Solve for x
    x = 6,536,792,341.09/89,017.28
  6. Step 6: Final answer
    x = 73,432.85

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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.