Home / 85,494.06-117,987.90-47,252.78

Finding the Fourth Proportional to 85,494.06, 117,987.90 and 47,252.78

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Solution

The fourth proportional to 85,494.06, 117,987.90 and 47,252.78 is: 65,212.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,494.06 : 117,987.90 = 47,252.78 : x
  2. Step 2: Convert to fraction form
    85,494.06/117,987.90 = 47,252.78/x
  3. Step 3: Cross multiply
    85,494.06x = 117,987.90 × 47,252.78
  4. Step 4: Simplify right side
    85,494.06x = 5,575,256,281.36
  5. Step 5: Solve for x
    x = 5,575,256,281.36/85,494.06
  6. Step 6: Final answer
    x = 65,212.21

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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.