Home / 97,811.47-146,771.72-52,831.92

Finding the Fourth Proportional to 97,811.47, 146,771.72 and 52,831.92

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Solution

The fourth proportional to 97,811.47, 146,771.72 and 52,831.92 is: 79,277.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,811.47 : 146,771.72 = 52,831.92 : x
  2. Step 2: Convert to fraction form
    97,811.47/146,771.72 = 52,831.92/x
  3. Step 3: Cross multiply
    97,811.47x = 146,771.72 × 52,831.92
  4. Step 4: Simplify right side
    97,811.47x = 7,754,231,989.45
  5. Step 5: Solve for x
    x = 7,754,231,989.45/97,811.47
  6. Step 6: Final answer
    x = 79,277.32

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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.