Home / 57,239.02-85,856.70-15,117.80

Finding the Fourth Proportional to 57,239.02, 85,856.70 and 15,117.80

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Solution

The fourth proportional to 57,239.02, 85,856.70 and 15,117.80 is: 22,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,239.02 : 85,856.70 = 15,117.80 : x
  2. Step 2: Convert to fraction form
    57,239.02/85,856.70 = 15,117.80/x
  3. Step 3: Cross multiply
    57,239.02x = 85,856.70 × 15,117.80
  4. Step 4: Simplify right side
    57,239.02x = 1,297,964,419.26
  5. Step 5: Solve for x
    x = 1,297,964,419.26/57,239.02
  6. Step 6: Final answer
    x = 22,676.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.