Home / 88,987.13-122,828.51-51,287.93

Finding the Fourth Proportional to 88,987.13, 122,828.51 and 51,287.93

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Solution

The fourth proportional to 88,987.13, 122,828.51 and 51,287.93 is: 70,792.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,987.13 : 122,828.51 = 51,287.93 : x
  2. Step 2: Convert to fraction form
    88,987.13/122,828.51 = 51,287.93/x
  3. Step 3: Cross multiply
    88,987.13x = 122,828.51 × 51,287.93
  4. Step 4: Simplify right side
    88,987.13x = 6,299,620,022.88
  5. Step 5: Solve for x
    x = 6,299,620,022.88/88,987.13
  6. Step 6: Final answer
    x = 70,792.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.