Home / 90,788.22-136,248.75-46,452.06

Finding the Fourth Proportional to 90,788.22, 136,248.75 and 46,452.06

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Solution

The fourth proportional to 90,788.22, 136,248.75 and 46,452.06 is: 69,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,788.22 : 136,248.75 = 46,452.06 : x
  2. Step 2: Convert to fraction form
    90,788.22/136,248.75 = 46,452.06/x
  3. Step 3: Cross multiply
    90,788.22x = 136,248.75 × 46,452.06
  4. Step 4: Simplify right side
    90,788.22x = 6,329,035,109.93
  5. Step 5: Solve for x
    x = 6,329,035,109.93/90,788.22
  6. Step 6: Final answer
    x = 69,712.07

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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.