Home / 56,875.63-85,329.84-17,438.56

Finding the Fourth Proportional to 56,875.63, 85,329.84 and 17,438.56

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Solution

The fourth proportional to 56,875.63, 85,329.84 and 17,438.56 is: 26,162.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,875.63 : 85,329.84 = 17,438.56 : x
  2. Step 2: Convert to fraction form
    56,875.63/85,329.84 = 17,438.56/x
  3. Step 3: Cross multiply
    56,875.63x = 85,329.84 × 17,438.56
  4. Step 4: Simplify right side
    56,875.63x = 1,488,029,534.63
  5. Step 5: Solve for x
    x = 1,488,029,534.63/56,875.63
  6. Step 6: Final answer
    x = 26,162.87

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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.