Home / 45,070.80-67,617.27-15,489.06

Finding the Fourth Proportional to 45,070.80, 67,617.27 and 15,489.06

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Solution

The fourth proportional to 45,070.80, 67,617.27 and 15,489.06 is: 23,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,070.80 : 67,617.27 = 15,489.06 : x
  2. Step 2: Convert to fraction form
    45,070.80/67,617.27 = 15,489.06/x
  3. Step 3: Cross multiply
    45,070.80x = 67,617.27 × 15,489.06
  4. Step 4: Simplify right side
    45,070.80x = 1,047,327,952.07
  5. Step 5: Solve for x
    x = 1,047,327,952.07/45,070.80
  6. Step 6: Final answer
    x = 23,237.39

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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.