Home / 56,890.69-85,307.95-17,438.29

Finding the Fourth Proportional to 56,890.69, 85,307.95 and 17,438.29

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Solution

The fourth proportional to 56,890.69, 85,307.95 and 17,438.29 is: 26,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,890.69 : 85,307.95 = 17,438.29 : x
  2. Step 2: Convert to fraction form
    56,890.69/85,307.95 = 17,438.29/x
  3. Step 3: Cross multiply
    56,890.69x = 85,307.95 × 17,438.29
  4. Step 4: Simplify right side
    56,890.69x = 1,487,624,815.00
  5. Step 5: Solve for x
    x = 1,487,624,815.00/56,890.69
  6. Step 6: Final answer
    x = 26,148.83

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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.