Home / 85,719.44-118,290.12-47,480.24

Finding the Fourth Proportional to 85,719.44, 118,290.12 and 47,480.24

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Solution

The fourth proportional to 85,719.44, 118,290.12 and 47,480.24 is: 65,521.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,719.44 : 118,290.12 = 47,480.24 : x
  2. Step 2: Convert to fraction form
    85,719.44/118,290.12 = 47,480.24/x
  3. Step 3: Cross multiply
    85,719.44x = 118,290.12 × 47,480.24
  4. Step 4: Simplify right side
    85,719.44x = 5,616,443,287.23
  5. Step 5: Solve for x
    x = 5,616,443,287.23/85,719.44
  6. Step 6: Final answer
    x = 65,521.23

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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.