Home / 67,230.74-92,739.96-42,036.50

Finding the Fourth Proportional to 67,230.74, 92,739.96 and 42,036.50

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Solution

The fourth proportional to 67,230.74, 92,739.96 and 42,036.50 is: 57,986.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,230.74 : 92,739.96 = 42,036.50 : x
  2. Step 2: Convert to fraction form
    67,230.74/92,739.96 = 42,036.50/x
  3. Step 3: Cross multiply
    67,230.74x = 92,739.96 × 42,036.50
  4. Step 4: Simplify right side
    67,230.74x = 3,898,463,560.39
  5. Step 5: Solve for x
    x = 3,898,463,560.39/67,230.74
  6. Step 6: Final answer
    x = 57,986.32

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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.