Home / 79,312.47-109,449.33-43,502.16

Finding the Fourth Proportional to 79,312.47, 109,449.33 and 43,502.16

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Solution

The fourth proportional to 79,312.47, 109,449.33 and 43,502.16 is: 60,031.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,312.47 : 109,449.33 = 43,502.16 : x
  2. Step 2: Convert to fraction form
    79,312.47/109,449.33 = 43,502.16/x
  3. Step 3: Cross multiply
    79,312.47x = 109,449.33 × 43,502.16
  4. Step 4: Simplify right side
    79,312.47x = 4,761,282,512.85
  5. Step 5: Solve for x
    x = 4,761,282,512.85/79,312.47
  6. Step 6: Final answer
    x = 60,031.96

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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.