Home / 117,831.71-162,606.98-64,116.92

Finding the Fourth Proportional to 117,831.71, 162,606.98 and 64,116.92

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Solution

The fourth proportional to 117,831.71, 162,606.98 and 64,116.92 is: 88,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,831.71 : 162,606.98 = 64,116.92 : x
  2. Step 2: Convert to fraction form
    117,831.71/162,606.98 = 64,116.92/x
  3. Step 3: Cross multiply
    117,831.71x = 162,606.98 × 64,116.92
  4. Step 4: Simplify right side
    117,831.71x = 10,425,859,294.91
  5. Step 5: Solve for x
    x = 10,425,859,294.91/117,831.71
  6. Step 6: Final answer
    x = 88,480.93

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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.