Home / 81,148.80-111,985.02-44,849.22

Finding the Fourth Proportional to 81,148.80, 111,985.02 and 44,849.22

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Solution

The fourth proportional to 81,148.80, 111,985.02 and 44,849.22 is: 61,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,148.80 : 111,985.02 = 44,849.22 : x
  2. Step 2: Convert to fraction form
    81,148.80/111,985.02 = 44,849.22/x
  3. Step 3: Cross multiply
    81,148.80x = 111,985.02 × 44,849.22
  4. Step 4: Simplify right side
    81,148.80x = 5,022,440,798.68
  5. Step 5: Solve for x
    x = 5,022,440,798.68/81,148.80
  6. Step 6: Final answer
    x = 61,891.74

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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.