Home / 86,213.43-129,152.04-48,659.91

Finding the Fourth Proportional to 86,213.43, 129,152.04 and 48,659.91

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Solution

The fourth proportional to 86,213.43, 129,152.04 and 48,659.91 is: 72,894.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,213.43 : 129,152.04 = 48,659.91 : x
  2. Step 2: Convert to fraction form
    86,213.43/129,152.04 = 48,659.91/x
  3. Step 3: Cross multiply
    86,213.43x = 129,152.04 × 48,659.91
  4. Step 4: Simplify right side
    86,213.43x = 6,284,526,642.72
  5. Step 5: Solve for x
    x = 6,284,526,642.72/86,213.43
  6. Step 6: Final answer
    x = 72,894.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.