Home / 70,831.77-97,747.36-38,564.10

Finding the Fourth Proportional to 70,831.77, 97,747.36 and 38,564.10

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Solution

The fourth proportional to 70,831.77, 97,747.36 and 38,564.10 is: 53,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,831.77 : 97,747.36 = 38,564.10 : x
  2. Step 2: Convert to fraction form
    70,831.77/97,747.36 = 38,564.10/x
  3. Step 3: Cross multiply
    70,831.77x = 97,747.36 × 38,564.10
  4. Step 4: Simplify right side
    70,831.77x = 3,769,538,869.37
  5. Step 5: Solve for x
    x = 3,769,538,869.37/70,831.77
  6. Step 6: Final answer
    x = 53,218.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.