Home / 57,729.60-86,594.40-40,014.90

Finding the Fourth Proportional to 57,729.60, 86,594.40 and 40,014.90

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Solution

The fourth proportional to 57,729.60, 86,594.40 and 40,014.90 is: 60,022.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,729.60 : 86,594.40 = 40,014.90 : x
  2. Step 2: Convert to fraction form
    57,729.60/86,594.40 = 40,014.90/x
  3. Step 3: Cross multiply
    57,729.60x = 86,594.40 × 40,014.90
  4. Step 4: Simplify right side
    57,729.60x = 3,465,066,256.56
  5. Step 5: Solve for x
    x = 3,465,066,256.56/57,729.60
  6. Step 6: Final answer
    x = 60,022.35

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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.