Home / 80,785.19-111,487.20-44,977.46

Finding the Fourth Proportional to 80,785.19, 111,487.20 and 44,977.46

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Solution

The fourth proportional to 80,785.19, 111,487.20 and 44,977.46 is: 62,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,785.19 : 111,487.20 = 44,977.46 : x
  2. Step 2: Convert to fraction form
    80,785.19/111,487.20 = 44,977.46/x
  3. Step 3: Cross multiply
    80,785.19x = 111,487.20 × 44,977.46
  4. Step 4: Simplify right side
    80,785.19x = 5,014,411,078.51
  5. Step 5: Solve for x
    x = 5,014,411,078.51/80,785.19
  6. Step 6: Final answer
    x = 62,070.92

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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.