Home / 56,737.20-85,110-19,282.08

Finding the Fourth Proportional to 56,737.20, 85,110 and 19,282.08

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Solution

The fourth proportional to 56,737.20, 85,110 and 19,282.08 is: 28,924.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,737.20 : 85,110 = 19,282.08 : x
  2. Step 2: Convert to fraction form
    56,737.20/85,110 = 19,282.08/x
  3. Step 3: Cross multiply
    56,737.20x = 85,110 × 19,282.08
  4. Step 4: Simplify right side
    56,737.20x = 1,641,097,828.80
  5. Step 5: Solve for x
    x = 1,641,097,828.80/56,737.20
  6. Step 6: Final answer
    x = 28,924.55

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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.