Home / 91,672.86-137,509.40-25,113.56

Finding the Fourth Proportional to 91,672.86, 137,509.40 and 25,113.56

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Solution

The fourth proportional to 91,672.86, 137,509.40 and 25,113.56 is: 37,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,672.86 : 137,509.40 = 25,113.56 : x
  2. Step 2: Convert to fraction form
    91,672.86/137,509.40 = 25,113.56/x
  3. Step 3: Cross multiply
    91,672.86x = 137,509.40 × 25,113.56
  4. Step 4: Simplify right side
    91,672.86x = 3,453,350,567.46
  5. Step 5: Solve for x
    x = 3,453,350,567.46/91,672.86
  6. Step 6: Final answer
    x = 37,670.37

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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.