Home / 56,350.92-77,764.28-31,200.42

Finding the Fourth Proportional to 56,350.92, 77,764.28 and 31,200.42

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Solution

The fourth proportional to 56,350.92, 77,764.28 and 31,200.42 is: 43,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,350.92 : 77,764.28 = 31,200.42 : x
  2. Step 2: Convert to fraction form
    56,350.92/77,764.28 = 31,200.42/x
  3. Step 3: Cross multiply
    56,350.92x = 77,764.28 × 31,200.42
  4. Step 4: Simplify right side
    56,350.92x = 2,426,278,041.00
  5. Step 5: Solve for x
    x = 2,426,278,041.00/56,350.92
  6. Step 6: Final answer
    x = 43,056.58

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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.