Home / 60,567.60-90,851.40-47,431.20

Finding the Fourth Proportional to 60,567.60, 90,851.40 and 47,431.20

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Solution

The fourth proportional to 60,567.60, 90,851.40 and 47,431.20 is: 71,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,567.60 : 90,851.40 = 47,431.20 : x
  2. Step 2: Convert to fraction form
    60,567.60/90,851.40 = 47,431.20/x
  3. Step 3: Cross multiply
    60,567.60x = 90,851.40 × 47,431.20
  4. Step 4: Simplify right side
    60,567.60x = 4,309,190,923.68
  5. Step 5: Solve for x
    x = 4,309,190,923.68/60,567.60
  6. Step 6: Final answer
    x = 71,146.80

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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.