Home / 57,212.40-85,811.30-15,095.64

Finding the Fourth Proportional to 57,212.40, 85,811.30 and 15,095.64

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Solution

The fourth proportional to 57,212.40, 85,811.30 and 15,095.64 is: 22,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,212.40 : 85,811.30 = 15,095.64 : x
  2. Step 2: Convert to fraction form
    57,212.40/85,811.30 = 15,095.64/x
  3. Step 3: Cross multiply
    57,212.40x = 85,811.30 × 15,095.64
  4. Step 4: Simplify right side
    57,212.40x = 1,295,376,417.25
  5. Step 5: Solve for x
    x = 1,295,376,417.25/57,212.40
  6. Step 6: Final answer
    x = 22,641.53

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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.