Home / 96,555.79-133,239.66-54,106.12

Finding the Fourth Proportional to 96,555.79, 133,239.66 and 54,106.12

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Solution

The fourth proportional to 96,555.79, 133,239.66 and 54,106.12 is: 74,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,555.79 : 133,239.66 = 54,106.12 : x
  2. Step 2: Convert to fraction form
    96,555.79/133,239.66 = 54,106.12/x
  3. Step 3: Cross multiply
    96,555.79x = 133,239.66 × 54,106.12
  4. Step 4: Simplify right side
    96,555.79x = 7,209,081,032.72
  5. Step 5: Solve for x
    x = 7,209,081,032.72/96,555.79
  6. Step 6: Final answer
    x = 74,662.34

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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.