Home / 56,721.60-85,082.40-55,846.80

Finding the Fourth Proportional to 56,721.60, 85,082.40 and 55,846.80

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Solution

The fourth proportional to 56,721.60, 85,082.40 and 55,846.80 is: 83,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,721.60 : 85,082.40 = 55,846.80 : x
  2. Step 2: Convert to fraction form
    56,721.60/85,082.40 = 55,846.80/x
  3. Step 3: Cross multiply
    56,721.60x = 85,082.40 × 55,846.80
  4. Step 4: Simplify right side
    56,721.60x = 4,751,579,776.32
  5. Step 5: Solve for x
    x = 4,751,579,776.32/56,721.60
  6. Step 6: Final answer
    x = 83,770.20

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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.