Home / 45,931.13-68,869.87-17,818.33

Finding the Fourth Proportional to 45,931.13, 68,869.87 and 17,818.33

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Solution

The fourth proportional to 45,931.13, 68,869.87 and 17,818.33 is: 26,717.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,931.13 : 68,869.87 = 17,818.33 : x
  2. Step 2: Convert to fraction form
    45,931.13/68,869.87 = 17,818.33/x
  3. Step 3: Cross multiply
    45,931.13x = 68,869.87 × 17,818.33
  4. Step 4: Simplify right side
    45,931.13x = 1,227,145,637.28
  5. Step 5: Solve for x
    x = 1,227,145,637.28/45,931.13
  6. Step 6: Final answer
    x = 26,717.08

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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.