Home / 91,831.47-137,693.68-35,605.89

Finding the Fourth Proportional to 91,831.47, 137,693.68 and 35,605.89

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Solution

The fourth proportional to 91,831.47, 137,693.68 and 35,605.89 is: 53,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,831.47 : 137,693.68 = 35,605.89 : x
  2. Step 2: Convert to fraction form
    91,831.47/137,693.68 = 35,605.89/x
  3. Step 3: Cross multiply
    91,831.47x = 137,693.68 × 35,605.89
  4. Step 4: Simplify right side
    91,831.47x = 4,902,705,845.75
  5. Step 5: Solve for x
    x = 4,902,705,845.75/91,831.47
  6. Step 6: Final answer
    x = 53,388.08

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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.