Home / 88,182.12-121,689.58-49,941.06

Finding the Fourth Proportional to 88,182.12, 121,689.58 and 49,941.06

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Solution

The fourth proportional to 88,182.12, 121,689.58 and 49,941.06 is: 68,917.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,182.12 : 121,689.58 = 49,941.06 : x
  2. Step 2: Convert to fraction form
    88,182.12/121,689.58 = 49,941.06/x
  3. Step 3: Cross multiply
    88,182.12x = 121,689.58 × 49,941.06
  4. Step 4: Simplify right side
    88,182.12x = 6,077,306,616.15
  5. Step 5: Solve for x
    x = 6,077,306,616.15/88,182.12
  6. Step 6: Final answer
    x = 68,917.67

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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.