Home / 96,881.81-133,709.43-54,440.35

Finding the Fourth Proportional to 96,881.81, 133,709.43 and 54,440.35

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Solution

The fourth proportional to 96,881.81, 133,709.43 and 54,440.35 is: 75,134.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,881.81 : 133,709.43 = 54,440.35 : x
  2. Step 2: Convert to fraction form
    96,881.81/133,709.43 = 54,440.35/x
  3. Step 3: Cross multiply
    96,881.81x = 133,709.43 × 54,440.35
  4. Step 4: Simplify right side
    96,881.81x = 7,279,187,833.23
  5. Step 5: Solve for x
    x = 7,279,187,833.23/96,881.81
  6. Step 6: Final answer
    x = 75,134.72

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1.5x scale

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.