Home / 101,831.11-152,760.07-37,780.53

Finding the Fourth Proportional to 101,831.11, 152,760.07 and 37,780.53

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Solution

The fourth proportional to 101,831.11, 152,760.07 and 37,780.53 is: 56,675.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,831.11 : 152,760.07 = 37,780.53 : x
  2. Step 2: Convert to fraction form
    101,831.11/152,760.07 = 37,780.53/x
  3. Step 3: Cross multiply
    101,831.11x = 152,760.07 × 37,780.53
  4. Step 4: Simplify right side
    101,831.11x = 5,771,356,741.09
  5. Step 5: Solve for x
    x = 5,771,356,741.09/101,831.11
  6. Step 6: Final answer
    x = 56,675.77

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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.