Home / 56,419.66-77,856.40-33,771.15

Finding the Fourth Proportional to 56,419.66, 77,856.40 and 33,771.15

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Solution

The fourth proportional to 56,419.66, 77,856.40 and 33,771.15 is: 46,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,419.66 : 77,856.40 = 33,771.15 : x
  2. Step 2: Convert to fraction form
    56,419.66/77,856.40 = 33,771.15/x
  3. Step 3: Cross multiply
    56,419.66x = 77,856.40 × 33,771.15
  4. Step 4: Simplify right side
    56,419.66x = 2,629,300,162.86
  5. Step 5: Solve for x
    x = 2,629,300,162.86/56,419.66
  6. Step 6: Final answer
    x = 46,602.55

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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.