Home / 99,394.02-137,166.30-54,074.52

Finding the Fourth Proportional to 99,394.02, 137,166.30 and 54,074.52

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Solution

The fourth proportional to 99,394.02, 137,166.30 and 54,074.52 is: 74,624.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,394.02 : 137,166.30 = 54,074.52 : x
  2. Step 2: Convert to fraction form
    99,394.02/137,166.30 = 54,074.52/x
  3. Step 3: Cross multiply
    99,394.02x = 137,166.30 × 54,074.52
  4. Step 4: Simplify right side
    99,394.02x = 7,417,201,832.68
  5. Step 5: Solve for x
    x = 7,417,201,832.68/99,394.02
  6. Step 6: Final answer
    x = 74,624.23

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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.