Home / 97,685.57-134,813.33-54,669.37

Finding the Fourth Proportional to 97,685.57, 134,813.33 and 54,669.37

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Solution

The fourth proportional to 97,685.57, 134,813.33 and 54,669.37 is: 75,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,685.57 : 134,813.33 = 54,669.37 : x
  2. Step 2: Convert to fraction form
    97,685.57/134,813.33 = 54,669.37/x
  3. Step 3: Cross multiply
    97,685.57x = 134,813.33 × 54,669.37
  4. Step 4: Simplify right side
    97,685.57x = 7,370,159,818.70
  5. Step 5: Solve for x
    x = 7,370,159,818.70/97,685.57
  6. Step 6: Final answer
    x = 75,447.78

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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.