Home / 90,359.92-135,622.47-46,017.28

Finding the Fourth Proportional to 90,359.92, 135,622.47 and 46,017.28

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Solution

The fourth proportional to 90,359.92, 135,622.47 and 46,017.28 is: 69,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,359.92 : 135,622.47 = 46,017.28 : x
  2. Step 2: Convert to fraction form
    90,359.92/135,622.47 = 46,017.28/x
  3. Step 3: Cross multiply
    90,359.92x = 135,622.47 × 46,017.28
  4. Step 4: Simplify right side
    90,359.92x = 6,240,977,176.28
  5. Step 5: Solve for x
    x = 6,240,977,176.28/90,359.92
  6. Step 6: Final answer
    x = 69,067.98

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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.