Home / 96,921.12-133,752.80-53,315.52

Finding the Fourth Proportional to 96,921.12, 133,752.80 and 53,315.52

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Solution

The fourth proportional to 96,921.12, 133,752.80 and 53,315.52 is: 73,576.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,921.12 : 133,752.80 = 53,315.52 : x
  2. Step 2: Convert to fraction form
    96,921.12/133,752.80 = 53,315.52/x
  3. Step 3: Cross multiply
    96,921.12x = 133,752.80 × 53,315.52
  4. Step 4: Simplify right side
    96,921.12x = 7,131,100,083.46
  5. Step 5: Solve for x
    x = 7,131,100,083.46/96,921.12
  6. Step 6: Final answer
    x = 73,576.33

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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.