Home / 88,511.58-122,171.67-58,319.10

Finding the Fourth Proportional to 88,511.58, 122,171.67 and 58,319.10

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Solution

The fourth proportional to 88,511.58, 122,171.67 and 58,319.10 is: 80,497.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,511.58 : 122,171.67 = 58,319.10 : x
  2. Step 2: Convert to fraction form
    88,511.58/122,171.67 = 58,319.10/x
  3. Step 3: Cross multiply
    88,511.58x = 122,171.67 × 58,319.10
  4. Step 4: Simplify right side
    88,511.58x = 7,124,941,839.90
  5. Step 5: Solve for x
    x = 7,124,941,839.90/88,511.58
  6. Step 6: Final answer
    x = 80,497.28

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1.5x scale

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.