Home / 56,871.08-85,303.17-17,428.13

Finding the Fourth Proportional to 56,871.08, 85,303.17 and 17,428.13

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Solution

The fourth proportional to 56,871.08, 85,303.17 and 17,428.13 is: 26,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,871.08 : 85,303.17 = 17,428.13 : x
  2. Step 2: Convert to fraction form
    56,871.08/85,303.17 = 17,428.13/x
  3. Step 3: Cross multiply
    56,871.08x = 85,303.17 × 17,428.13
  4. Step 4: Simplify right side
    56,871.08x = 1,486,674,309.66
  5. Step 5: Solve for x
    x = 1,486,674,309.66/56,871.08
  6. Step 6: Final answer
    x = 26,141.13

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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.