Home / 88,319.80-132,976.91-77,857.02

Finding the Fourth Proportional to 88,319.80, 132,976.91 and 77,857.02

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Solution

The fourth proportional to 88,319.80, 132,976.91 and 77,857.02 is: 117,223.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,319.80 : 132,976.91 = 77,857.02 : x
  2. Step 2: Convert to fraction form
    88,319.80/132,976.91 = 77,857.02/x
  3. Step 3: Cross multiply
    88,319.80x = 132,976.91 × 77,857.02
  4. Step 4: Simplify right side
    88,319.80x = 10,353,185,941.41
  5. Step 5: Solve for x
    x = 10,353,185,941.41/88,319.80
  6. Step 6: Final answer
    x = 117,223.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.