Home / 91,723.86-137,571.08-25,148.46

Finding the Fourth Proportional to 91,723.86, 137,571.08 and 25,148.46

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Solution

The fourth proportional to 91,723.86, 137,571.08 and 25,148.46 is: 37,718.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,723.86 : 137,571.08 = 25,148.46 : x
  2. Step 2: Convert to fraction form
    91,723.86/137,571.08 = 25,148.46/x
  3. Step 3: Cross multiply
    91,723.86x = 137,571.08 × 25,148.46
  4. Step 4: Simplify right side
    91,723.86x = 3,459,700,802.54
  5. Step 5: Solve for x
    x = 3,459,700,802.54/91,723.86
  6. Step 6: Final answer
    x = 37,718.66

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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.