Home / 74,349.91-102,600.09-40,357.66

Finding the Fourth Proportional to 74,349.91, 102,600.09 and 40,357.66

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Solution

The fourth proportional to 74,349.91, 102,600.09 and 40,357.66 is: 55,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,349.91 : 102,600.09 = 40,357.66 : x
  2. Step 2: Convert to fraction form
    74,349.91/102,600.09 = 40,357.66/x
  3. Step 3: Cross multiply
    74,349.91x = 102,600.09 × 40,357.66
  4. Step 4: Simplify right side
    74,349.91x = 4,140,699,804.69
  5. Step 5: Solve for x
    x = 4,140,699,804.69/74,349.91
  6. Step 6: Final answer
    x = 55,692.06

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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.