Home / 87,364.04-120,561.75-49,638.29

Finding the Fourth Proportional to 87,364.04, 120,561.75 and 49,638.29

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Solution

The fourth proportional to 87,364.04, 120,561.75 and 49,638.29 is: 68,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,364.04 : 120,561.75 = 49,638.29 : x
  2. Step 2: Convert to fraction form
    87,364.04/120,561.75 = 49,638.29/x
  3. Step 3: Cross multiply
    87,364.04x = 120,561.75 × 49,638.29
  4. Step 4: Simplify right side
    87,364.04x = 5,984,478,506.60
  5. Step 5: Solve for x
    x = 5,984,478,506.60/87,364.04
  6. Step 6: Final answer
    x = 68,500.48

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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.