Home / 96,831.12-133,626.48-53,817.66

Finding the Fourth Proportional to 96,831.12, 133,626.48 and 53,817.66

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Solution

The fourth proportional to 96,831.12, 133,626.48 and 53,817.66 is: 74,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,831.12 : 133,626.48 = 53,817.66 : x
  2. Step 2: Convert to fraction form
    96,831.12/133,626.48 = 53,817.66/x
  3. Step 3: Cross multiply
    96,831.12x = 133,626.48 × 53,817.66
  4. Step 4: Simplify right side
    96,831.12x = 7,191,464,467.64
  5. Step 5: Solve for x
    x = 7,191,464,467.64/96,831.12
  6. Step 6: Final answer
    x = 74,268.11

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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.