Home / 72,420.02-108,609.31-25,022.72

Finding the Fourth Proportional to 72,420.02, 108,609.31 and 25,022.72

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Solution

The fourth proportional to 72,420.02, 108,609.31 and 25,022.72 is: 37,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,420.02 : 108,609.31 = 25,022.72 : x
  2. Step 2: Convert to fraction form
    72,420.02/108,609.31 = 25,022.72/x
  3. Step 3: Cross multiply
    72,420.02x = 108,609.31 × 25,022.72
  4. Step 4: Simplify right side
    72,420.02x = 2,717,700,515.57
  5. Step 5: Solve for x
    x = 2,717,700,515.57/72,420.02
  6. Step 6: Final answer
    x = 37,526.92

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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.