Home / 56,742.40-85,113.60-50,618.80

Finding the Fourth Proportional to 56,742.40, 85,113.60 and 50,618.80

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Solution

The fourth proportional to 56,742.40, 85,113.60 and 50,618.80 is: 75,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,742.40 : 85,113.60 = 50,618.80 : x
  2. Step 2: Convert to fraction form
    56,742.40/85,113.60 = 50,618.80/x
  3. Step 3: Cross multiply
    56,742.40x = 85,113.60 × 50,618.80
  4. Step 4: Simplify right side
    56,742.40x = 4,308,348,295.68
  5. Step 5: Solve for x
    x = 4,308,348,295.68/56,742.40
  6. Step 6: Final answer
    x = 75,928.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.