Home / 115,847.14-159,831.88-64,852.36

Finding the Fourth Proportional to 115,847.14, 159,831.88 and 64,852.36

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Solution

The fourth proportional to 115,847.14, 159,831.88 and 64,852.36 is: 89,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,847.14 : 159,831.88 = 64,852.36 : x
  2. Step 2: Convert to fraction form
    115,847.14/159,831.88 = 64,852.36/x
  3. Step 3: Cross multiply
    115,847.14x = 159,831.88 × 64,852.36
  4. Step 4: Simplify right side
    115,847.14x = 10,365,475,020.82
  5. Step 5: Solve for x
    x = 10,365,475,020.82/115,847.14
  6. Step 6: Final answer
    x = 89,475.45

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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.