Home / 90,987.48-136,476.54-34,823.25

Finding the Fourth Proportional to 90,987.48, 136,476.54 and 34,823.25

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Solution

The fourth proportional to 90,987.48, 136,476.54 and 34,823.25 is: 52,233.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,987.48 : 136,476.54 = 34,823.25 : x
  2. Step 2: Convert to fraction form
    90,987.48/136,476.54 = 34,823.25/x
  3. Step 3: Cross multiply
    90,987.48x = 136,476.54 × 34,823.25
  4. Step 4: Simplify right side
    90,987.48x = 4,752,556,671.56
  5. Step 5: Solve for x
    x = 4,752,556,671.56/90,987.48
  6. Step 6: Final answer
    x = 52,233.08

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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.