Home / 97,734.70-134,888.39-61,928.04

Finding the Fourth Proportional to 97,734.70, 134,888.39 and 61,928.04

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Solution

The fourth proportional to 97,734.70, 134,888.39 and 61,928.04 is: 85,469.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,734.70 : 134,888.39 = 61,928.04 : x
  2. Step 2: Convert to fraction form
    97,734.70/134,888.39 = 61,928.04/x
  3. Step 3: Cross multiply
    97,734.70x = 134,888.39 × 61,928.04
  4. Step 4: Simplify right side
    97,734.70x = 8,353,374,039.88
  5. Step 5: Solve for x
    x = 8,353,374,039.88/97,734.70
  6. Step 6: Final answer
    x = 85,469.89

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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.