Home / 88,636.13-122,477.14-67,378.49

Finding the Fourth Proportional to 88,636.13, 122,477.14 and 67,378.49

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Solution

The fourth proportional to 88,636.13, 122,477.14 and 67,378.49 is: 93,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,636.13 : 122,477.14 = 67,378.49 : x
  2. Step 2: Convert to fraction form
    88,636.13/122,477.14 = 67,378.49/x
  3. Step 3: Cross multiply
    88,636.13x = 122,477.14 × 67,378.49
  4. Step 4: Simplify right side
    88,636.13x = 8,252,324,752.72
  5. Step 5: Solve for x
    x = 8,252,324,752.72/88,636.13
  6. Step 6: Final answer
    x = 93,103.40

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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.