Home / 96,881.49-133,698.83-54,438.93

Finding the Fourth Proportional to 96,881.49, 133,698.83 and 54,438.93

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Solution

The fourth proportional to 96,881.49, 133,698.83 and 54,438.93 is: 75,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,881.49 : 133,698.83 = 54,438.93 : x
  2. Step 2: Convert to fraction form
    96,881.49/133,698.83 = 54,438.93/x
  3. Step 3: Cross multiply
    96,881.49x = 133,698.83 × 54,438.93
  4. Step 4: Simplify right side
    96,881.49x = 7,278,420,975.26
  5. Step 5: Solve for x
    x = 7,278,420,975.26/96,881.49
  6. Step 6: Final answer
    x = 75,127.05

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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.