Home / 57,987.36-79,946.40-41,841.12

Finding the Fourth Proportional to 57,987.36, 79,946.40 and 41,841.12

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Solution

The fourth proportional to 57,987.36, 79,946.40 and 41,841.12 is: 57,685.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,987.36 : 79,946.40 = 41,841.12 : x
  2. Step 2: Convert to fraction form
    57,987.36/79,946.40 = 41,841.12/x
  3. Step 3: Cross multiply
    57,987.36x = 79,946.40 × 41,841.12
  4. Step 4: Simplify right side
    57,987.36x = 3,345,046,915.97
  5. Step 5: Solve for x
    x = 3,345,046,915.97/57,987.36
  6. Step 6: Final answer
    x = 57,685.79

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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.