Home / 56,688.63-85,029.90-17,242.66

Finding the Fourth Proportional to 56,688.63, 85,029.90 and 17,242.66

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Solution

The fourth proportional to 56,688.63, 85,029.90 and 17,242.66 is: 25,863.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,688.63 : 85,029.90 = 17,242.66 : x
  2. Step 2: Convert to fraction form
    56,688.63/85,029.90 = 17,242.66/x
  3. Step 3: Cross multiply
    56,688.63x = 85,029.90 × 17,242.66
  4. Step 4: Simplify right side
    56,688.63x = 1,466,141,655.53
  5. Step 5: Solve for x
    x = 1,466,141,655.53/56,688.63
  6. Step 6: Final answer
    x = 25,863.06

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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.