Home / 56,066.87-77,371.30-30,573.43

Finding the Fourth Proportional to 56,066.87, 77,371.30 and 30,573.43

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Solution

The fourth proportional to 56,066.87, 77,371.30 and 30,573.43 is: 42,190.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,066.87 : 77,371.30 = 30,573.43 : x
  2. Step 2: Convert to fraction form
    56,066.87/77,371.30 = 30,573.43/x
  3. Step 3: Cross multiply
    56,066.87x = 77,371.30 × 30,573.43
  4. Step 4: Simplify right side
    56,066.87x = 2,365,506,024.56
  5. Step 5: Solve for x
    x = 2,365,506,024.56/56,066.87
  6. Step 6: Final answer
    x = 42,190.80

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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.