Home / 56,057.56-77,364.90-41,885.80

Finding the Fourth Proportional to 56,057.56, 77,364.90 and 41,885.80

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Solution

The fourth proportional to 56,057.56, 77,364.90 and 41,885.80 is: 57,806.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,057.56 : 77,364.90 = 41,885.80 : x
  2. Step 2: Convert to fraction form
    56,057.56/77,364.90 = 41,885.80/x
  3. Step 3: Cross multiply
    56,057.56x = 77,364.90 × 41,885.80
  4. Step 4: Simplify right side
    56,057.56x = 3,240,490,728.42
  5. Step 5: Solve for x
    x = 3,240,490,728.42/56,057.56
  6. Step 6: Final answer
    x = 57,806.49

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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.