Home / 40,896.90-61,199.55-28,358.10

Finding the Fourth Proportional to 40,896.90, 61,199.55 and 28,358.10

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Solution

The fourth proportional to 40,896.90, 61,199.55 and 28,358.10 is: 42,436.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,896.90 : 61,199.55 = 28,358.10 : x
  2. Step 2: Convert to fraction form
    40,896.90/61,199.55 = 28,358.10/x
  3. Step 3: Cross multiply
    40,896.90x = 61,199.55 × 28,358.10
  4. Step 4: Simplify right side
    40,896.90x = 1,735,502,958.86
  5. Step 5: Solve for x
    x = 1,735,502,958.86/40,896.90
  6. Step 6: Final answer
    x = 42,436.05

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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.