Home / 79,987.16-110,396.45-45,993.02

Finding the Fourth Proportional to 79,987.16, 110,396.45 and 45,993.02

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Solution

The fourth proportional to 79,987.16, 110,396.45 and 45,993.02 is: 63,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,987.16 : 110,396.45 = 45,993.02 : x
  2. Step 2: Convert to fraction form
    79,987.16/110,396.45 = 45,993.02/x
  3. Step 3: Cross multiply
    79,987.16x = 110,396.45 × 45,993.02
  4. Step 4: Simplify right side
    79,987.16x = 5,077,465,695.78
  5. Step 5: Solve for x
    x = 5,077,465,695.78/79,987.16
  6. Step 6: Final answer
    x = 63,478.51

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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.