Home / 56,378.12-77,766.60-36,261.24

Finding the Fourth Proportional to 56,378.12, 77,766.60 and 36,261.24

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Solution

The fourth proportional to 56,378.12, 77,766.60 and 36,261.24 is: 50,017.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,378.12 : 77,766.60 = 36,261.24 : x
  2. Step 2: Convert to fraction form
    56,378.12/77,766.60 = 36,261.24/x
  3. Step 3: Cross multiply
    56,378.12x = 77,766.60 × 36,261.24
  4. Step 4: Simplify right side
    56,378.12x = 2,819,913,346.58
  5. Step 5: Solve for x
    x = 2,819,913,346.58/56,378.12
  6. Step 6: Final answer
    x = 50,017.87

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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.