Home / 88,987.05-122,802.18-48,700.79

Finding the Fourth Proportional to 88,987.05, 122,802.18 and 48,700.79

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Solution

The fourth proportional to 88,987.05, 122,802.18 and 48,700.79 is: 67,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,987.05 : 122,802.18 = 48,700.79 : x
  2. Step 2: Convert to fraction form
    88,987.05/122,802.18 = 48,700.79/x
  3. Step 3: Cross multiply
    88,987.05x = 122,802.18 × 48,700.79
  4. Step 4: Simplify right side
    88,987.05x = 5,980,562,843.59
  5. Step 5: Solve for x
    x = 5,980,562,843.59/88,987.05
  6. Step 6: Final answer
    x = 67,207.11

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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.