Home / 45,172.08-67,741.80-15,581.04

Finding the Fourth Proportional to 45,172.08, 67,741.80 and 15,581.04

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Solution

The fourth proportional to 45,172.08, 67,741.80 and 15,581.04 is: 23,365.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,172.08 : 67,741.80 = 15,581.04 : x
  2. Step 2: Convert to fraction form
    45,172.08/67,741.80 = 15,581.04/x
  3. Step 3: Cross multiply
    45,172.08x = 67,741.80 × 15,581.04
  4. Step 4: Simplify right side
    45,172.08x = 1,055,487,695.47
  5. Step 5: Solve for x
    x = 1,055,487,695.47/45,172.08
  6. Step 6: Final answer
    x = 23,365.93

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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.