Home / 76,079.02-104,992.14-42,086.92

Finding the Fourth Proportional to 76,079.02, 104,992.14 and 42,086.92

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Solution

The fourth proportional to 76,079.02, 104,992.14 and 42,086.92 is: 58,081.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,079.02 : 104,992.14 = 42,086.92 : x
  2. Step 2: Convert to fraction form
    76,079.02/104,992.14 = 42,086.92/x
  3. Step 3: Cross multiply
    76,079.02x = 104,992.14 × 42,086.92
  4. Step 4: Simplify right side
    76,079.02x = 4,418,795,796.81
  5. Step 5: Solve for x
    x = 4,418,795,796.81/76,079.02
  6. Step 6: Final answer
    x = 58,081.66

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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.