Home / 96,639.78-133,332.63-55,798.57

Finding the Fourth Proportional to 96,639.78, 133,332.63 and 55,798.57

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Solution

The fourth proportional to 96,639.78, 133,332.63 and 55,798.57 is: 76,984.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,639.78 : 133,332.63 = 55,798.57 : x
  2. Step 2: Convert to fraction form
    96,639.78/133,332.63 = 55,798.57/x
  3. Step 3: Cross multiply
    96,639.78x = 133,332.63 × 55,798.57
  4. Step 4: Simplify right side
    96,639.78x = 7,439,769,421.68
  5. Step 5: Solve for x
    x = 7,439,769,421.68/96,639.78
  6. Step 6: Final answer
    x = 76,984.54

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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.