Home / 67,440.96-93,103.48-49,271.28

Finding the Fourth Proportional to 67,440.96, 93,103.48 and 49,271.28

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Solution

The fourth proportional to 67,440.96, 93,103.48 and 49,271.28 is: 68,019.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,440.96 : 93,103.48 = 49,271.28 : x
  2. Step 2: Convert to fraction form
    67,440.96/93,103.48 = 49,271.28/x
  3. Step 3: Cross multiply
    67,440.96x = 93,103.48 × 49,271.28
  4. Step 4: Simplify right side
    67,440.96x = 4,587,327,632.05
  5. Step 5: Solve for x
    x = 4,587,327,632.05/67,440.96
  6. Step 6: Final answer
    x = 68,019.90

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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.