Home / 97,091.76-145,637.64-30,537.72

Finding the Fourth Proportional to 97,091.76, 145,637.64 and 30,537.72

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Solution

The fourth proportional to 97,091.76, 145,637.64 and 30,537.72 is: 45,806.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,091.76 : 145,637.64 = 30,537.72 : x
  2. Step 2: Convert to fraction form
    97,091.76/145,637.64 = 30,537.72/x
  3. Step 3: Cross multiply
    97,091.76x = 145,637.64 × 30,537.72
  4. Step 4: Simplify right side
    97,091.76x = 4,447,441,471.78
  5. Step 5: Solve for x
    x = 4,447,441,471.78/97,091.76
  6. Step 6: Final answer
    x = 45,806.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.