Home / 67,987.60-93,796.70-50,125.08

Finding the Fourth Proportional to 67,987.60, 93,796.70 and 50,125.08

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Solution

The fourth proportional to 67,987.60, 93,796.70 and 50,125.08 is: 69,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,987.60 : 93,796.70 = 50,125.08 : x
  2. Step 2: Convert to fraction form
    67,987.60/93,796.70 = 50,125.08/x
  3. Step 3: Cross multiply
    67,987.60x = 93,796.70 × 50,125.08
  4. Step 4: Simplify right side
    67,987.60x = 4,701,567,091.24
  5. Step 5: Solve for x
    x = 4,701,567,091.24/67,987.60
  6. Step 6: Final answer
    x = 69,153.30

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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.