Home / 80,842.54-111,562.50-45,032.17

Finding the Fourth Proportional to 80,842.54, 111,562.50 and 45,032.17

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Solution

The fourth proportional to 80,842.54, 111,562.50 and 45,032.17 is: 62,144.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,842.54 : 111,562.50 = 45,032.17 : x
  2. Step 2: Convert to fraction form
    80,842.54/111,562.50 = 45,032.17/x
  3. Step 3: Cross multiply
    80,842.54x = 111,562.50 × 45,032.17
  4. Step 4: Simplify right side
    80,842.54x = 5,023,901,465.63
  5. Step 5: Solve for x
    x = 5,023,901,465.63/80,842.54
  6. Step 6: Final answer
    x = 62,144.28

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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.