Home / 97,083.40-133,974.80-54,641.94

Finding the Fourth Proportional to 97,083.40, 133,974.80 and 54,641.94

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Solution

The fourth proportional to 97,083.40, 133,974.80 and 54,641.94 is: 75,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,083.40 : 133,974.80 = 54,641.94 : x
  2. Step 2: Convert to fraction form
    97,083.40/133,974.80 = 54,641.94/x
  3. Step 3: Cross multiply
    97,083.40x = 133,974.80 × 54,641.94
  4. Step 4: Simplify right side
    97,083.40x = 7,320,642,983.11
  5. Step 5: Solve for x
    x = 7,320,642,983.11/97,083.40
  6. Step 6: Final answer
    x = 75,405.71

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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.