Home / 96,731.94-133,490.08-54,290.47

Finding the Fourth Proportional to 96,731.94, 133,490.08 and 54,290.47

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Solution

The fourth proportional to 96,731.94, 133,490.08 and 54,290.47 is: 74,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,731.94 : 133,490.08 = 54,290.47 : x
  2. Step 2: Convert to fraction form
    96,731.94/133,490.08 = 54,290.47/x
  3. Step 3: Cross multiply
    96,731.94x = 133,490.08 × 54,290.47
  4. Step 4: Simplify right side
    96,731.94x = 7,247,239,811.07
  5. Step 5: Solve for x
    x = 7,247,239,811.07/96,731.94
  6. Step 6: Final answer
    x = 74,920.85

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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.