Home / 88,000.51-121,433.19-49,758.18

Finding the Fourth Proportional to 88,000.51, 121,433.19 and 49,758.18

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Solution

The fourth proportional to 88,000.51, 121,433.19 and 49,758.18 is: 68,662.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000.51 : 121,433.19 = 49,758.18 : x
  2. Step 2: Convert to fraction form
    88,000.51/121,433.19 = 49,758.18/x
  3. Step 3: Cross multiply
    88,000.51x = 121,433.19 × 49,758.18
  4. Step 4: Simplify right side
    88,000.51x = 6,042,294,525.99
  5. Step 5: Solve for x
    x = 6,042,294,525.99/88,000.51
  6. Step 6: Final answer
    x = 68,662.04

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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.