Home / 73,256.66-109,875.18-20,670.38

Finding the Fourth Proportional to 73,256.66, 109,875.18 and 20,670.38

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Solution

The fourth proportional to 73,256.66, 109,875.18 and 20,670.38 is: 31,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,256.66 : 109,875.18 = 20,670.38 : x
  2. Step 2: Convert to fraction form
    73,256.66/109,875.18 = 20,670.38/x
  3. Step 3: Cross multiply
    73,256.66x = 109,875.18 × 20,670.38
  4. Step 4: Simplify right side
    73,256.66x = 2,271,161,723.17
  5. Step 5: Solve for x
    x = 2,271,161,723.17/73,256.66
  6. Step 6: Final answer
    x = 31,002.80

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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.