Home / 79,979.74-110,378.57-45,999.23

Finding the Fourth Proportional to 79,979.74, 110,378.57 and 45,999.23

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Solution

The fourth proportional to 79,979.74, 110,378.57 and 45,999.23 is: 63,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,979.74 : 110,378.57 = 45,999.23 : x
  2. Step 2: Convert to fraction form
    79,979.74/110,378.57 = 45,999.23/x
  3. Step 3: Cross multiply
    79,979.74x = 110,378.57 × 45,999.23
  4. Step 4: Simplify right side
    79,979.74x = 5,077,328,446.61
  5. Step 5: Solve for x
    x = 5,077,328,446.61/79,979.74
  6. Step 6: Final answer
    x = 63,482.68

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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.