Home / 85,244.68-117,641.64-47,519.20

Finding the Fourth Proportional to 85,244.68, 117,641.64 and 47,519.20

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Solution

The fourth proportional to 85,244.68, 117,641.64 and 47,519.20 is: 65,578.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,244.68 : 117,641.64 = 47,519.20 : x
  2. Step 2: Convert to fraction form
    85,244.68/117,641.64 = 47,519.20/x
  3. Step 3: Cross multiply
    85,244.68x = 117,641.64 × 47,519.20
  4. Step 4: Simplify right side
    85,244.68x = 5,590,236,619.49
  5. Step 5: Solve for x
    x = 5,590,236,619.49/85,244.68
  6. Step 6: Final answer
    x = 65,578.72

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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.