Home / 88,176.85-121,684.01-50,451.10

Finding the Fourth Proportional to 88,176.85, 121,684.01 and 50,451.10

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Solution

The fourth proportional to 88,176.85, 121,684.01 and 50,451.10 is: 69,622.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,176.85 : 121,684.01 = 50,451.10 : x
  2. Step 2: Convert to fraction form
    88,176.85/121,684.01 = 50,451.10/x
  3. Step 3: Cross multiply
    88,176.85x = 121,684.01 × 50,451.10
  4. Step 4: Simplify right side
    88,176.85x = 6,139,091,600.45
  5. Step 5: Solve for x
    x = 6,139,091,600.45/88,176.85
  6. Step 6: Final answer
    x = 69,622.49

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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.