Home / 90,878.99-136,346.30-46,537.13

Finding the Fourth Proportional to 90,878.99, 136,346.30 and 46,537.13

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Solution

The fourth proportional to 90,878.99, 136,346.30 and 46,537.13 is: 69,819.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,878.99 : 136,346.30 = 46,537.13 : x
  2. Step 2: Convert to fraction form
    90,878.99/136,346.30 = 46,537.13/x
  3. Step 3: Cross multiply
    90,878.99x = 136,346.30 × 46,537.13
  4. Step 4: Simplify right side
    90,878.99x = 6,345,165,488.12
  5. Step 5: Solve for x
    x = 6,345,165,488.12/90,878.99
  6. Step 6: Final answer
    x = 69,819.94

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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.