Home / 56,360.28-77,777.19-30,866.70

Finding the Fourth Proportional to 56,360.28, 77,777.19 and 30,866.70

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Solution

The fourth proportional to 56,360.28, 77,777.19 and 30,866.70 is: 42,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,360.28 : 77,777.19 = 30,866.70 : x
  2. Step 2: Convert to fraction form
    56,360.28/77,777.19 = 30,866.70/x
  3. Step 3: Cross multiply
    56,360.28x = 77,777.19 × 30,866.70
  4. Step 4: Simplify right side
    56,360.28x = 2,400,725,190.57
  5. Step 5: Solve for x
    x = 2,400,725,190.57/56,360.28
  6. Step 6: Final answer
    x = 42,596.05

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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.