Home / 78,834.44-108,831.66-60,889.16

Finding the Fourth Proportional to 78,834.44, 108,831.66 and 60,889.16

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Solution

The fourth proportional to 78,834.44, 108,831.66 and 60,889.16 is: 84,058.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,834.44 : 108,831.66 = 60,889.16 : x
  2. Step 2: Convert to fraction form
    78,834.44/108,831.66 = 60,889.16/x
  3. Step 3: Cross multiply
    78,834.44x = 108,831.66 × 60,889.16
  4. Step 4: Simplify right side
    78,834.44x = 6,626,668,358.81
  5. Step 5: Solve for x
    x = 6,626,668,358.81/78,834.44
  6. Step 6: Final answer
    x = 84,058.04

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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.