Home / 56,705.98-85,071.12-17,266.36

Finding the Fourth Proportional to 56,705.98, 85,071.12 and 17,266.36

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Solution

The fourth proportional to 56,705.98, 85,071.12 and 17,266.36 is: 25,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,705.98 : 85,071.12 = 17,266.36 : x
  2. Step 2: Convert to fraction form
    56,705.98/85,071.12 = 17,266.36/x
  3. Step 3: Cross multiply
    56,705.98x = 85,071.12 × 17,266.36
  4. Step 4: Simplify right side
    56,705.98x = 1,468,868,583.52
  5. Step 5: Solve for x
    x = 1,468,868,583.52/56,705.98
  6. Step 6: Final answer
    x = 25,903.24

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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.