Home / 88,214.93-121,727.80-49,966.84

Finding the Fourth Proportional to 88,214.93, 121,727.80 and 49,966.84

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Solution

The fourth proportional to 88,214.93, 121,727.80 and 49,966.84 is: 68,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,214.93 : 121,727.80 = 49,966.84 : x
  2. Step 2: Convert to fraction form
    88,214.93/121,727.80 = 49,966.84/x
  3. Step 3: Cross multiply
    88,214.93x = 121,727.80 × 49,966.84
  4. Step 4: Simplify right side
    88,214.93x = 6,082,353,506.15
  5. Step 5: Solve for x
    x = 6,082,353,506.15/88,214.93
  6. Step 6: Final answer
    x = 68,949.25

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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.