Home / 97,091.71-145,694.18-40,928.38

Finding the Fourth Proportional to 97,091.71, 145,694.18 and 40,928.38

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Solution

The fourth proportional to 97,091.71, 145,694.18 and 40,928.38 is: 61,416.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,091.71 : 145,694.18 = 40,928.38 : x
  2. Step 2: Convert to fraction form
    97,091.71/145,694.18 = 40,928.38/x
  3. Step 3: Cross multiply
    97,091.71x = 145,694.18 × 40,928.38
  4. Step 4: Simplify right side
    97,091.71x = 5,963,026,558.19
  5. Step 5: Solve for x
    x = 5,963,026,558.19/97,091.71
  6. Step 6: Final answer
    x = 61,416.43

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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.