Home / 96,429.60-133,071.36-53,989.68

Finding the Fourth Proportional to 96,429.60, 133,071.36 and 53,989.68

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Solution

The fourth proportional to 96,429.60, 133,071.36 and 53,989.68 is: 74,504.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,429.60 : 133,071.36 = 53,989.68 : x
  2. Step 2: Convert to fraction form
    96,429.60/133,071.36 = 53,989.68/x
  3. Step 3: Cross multiply
    96,429.60x = 133,071.36 × 53,989.68
  4. Step 4: Simplify right side
    96,429.60x = 7,184,480,143.56
  5. Step 5: Solve for x
    x = 7,184,480,143.56/96,429.60
  6. Step 6: Final answer
    x = 74,504.93

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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.