Home / 81,151.08-111,994.29-44,851.75

Finding the Fourth Proportional to 81,151.08, 111,994.29 and 44,851.75

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Solution

The fourth proportional to 81,151.08, 111,994.29 and 44,851.75 is: 61,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,151.08 : 111,994.29 = 44,851.75 : x
  2. Step 2: Convert to fraction form
    81,151.08/111,994.29 = 44,851.75/x
  3. Step 3: Cross multiply
    81,151.08x = 111,994.29 × 44,851.75
  4. Step 4: Simplify right side
    81,151.08x = 5,023,139,805.36
  5. Step 5: Solve for x
    x = 5,023,139,805.36/81,151.08
  6. Step 6: Final answer
    x = 61,898.62

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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.