Home / 56,766.16-85,123.64-17,328.08

Finding the Fourth Proportional to 56,766.16, 85,123.64 and 17,328.08

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Solution

The fourth proportional to 56,766.16, 85,123.64 and 17,328.08 is: 25,984.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,766.16 : 85,123.64 = 17,328.08 : x
  2. Step 2: Convert to fraction form
    56,766.16/85,123.64 = 17,328.08/x
  3. Step 3: Cross multiply
    56,766.16x = 85,123.64 × 17,328.08
  4. Step 4: Simplify right side
    56,766.16x = 1,475,029,243.81
  5. Step 5: Solve for x
    x = 1,475,029,243.81/56,766.16
  6. Step 6: Final answer
    x = 25,984.31

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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.