Home / 88,205.48-121,733.50-49,967.64

Finding the Fourth Proportional to 88,205.48, 121,733.50 and 49,967.64

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Solution

The fourth proportional to 88,205.48, 121,733.50 and 49,967.64 is: 68,960.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,205.48 : 121,733.50 = 49,967.64 : x
  2. Step 2: Convert to fraction form
    88,205.48/121,733.50 = 49,967.64/x
  3. Step 3: Cross multiply
    88,205.48x = 121,733.50 × 49,967.64
  4. Step 4: Simplify right side
    88,205.48x = 6,082,735,703.94
  5. Step 5: Solve for x
    x = 6,082,735,703.94/88,205.48
  6. Step 6: Final answer
    x = 68,960.97

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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.