Home / 88,451.85-122,182.95-70,671.54

Finding the Fourth Proportional to 88,451.85, 122,182.95 and 70,671.54

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Solution

The fourth proportional to 88,451.85, 122,182.95 and 70,671.54 is: 97,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,451.85 : 122,182.95 = 70,671.54 : x
  2. Step 2: Convert to fraction form
    88,451.85/122,182.95 = 70,671.54/x
  3. Step 3: Cross multiply
    88,451.85x = 122,182.95 × 70,671.54
  4. Step 4: Simplify right side
    88,451.85x = 8,634,857,238.24
  5. Step 5: Solve for x
    x = 8,634,857,238.24/88,451.85
  6. Step 6: Final answer
    x = 97,622.12

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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.