Home / 80,645.19-111,278.16-46,184.57

Finding the Fourth Proportional to 80,645.19, 111,278.16 and 46,184.57

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Solution

The fourth proportional to 80,645.19, 111,278.16 and 46,184.57 is: 63,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,645.19 : 111,278.16 = 46,184.57 : x
  2. Step 2: Convert to fraction form
    80,645.19/111,278.16 = 46,184.57/x
  3. Step 3: Cross multiply
    80,645.19x = 111,278.16 × 46,184.57
  4. Step 4: Simplify right side
    80,645.19x = 5,139,334,273.76
  5. Step 5: Solve for x
    x = 5,139,334,273.76/80,645.19
  6. Step 6: Final answer
    x = 63,727.72

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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.