Home / 74,450.19-102,741.95-40,458.69

Finding the Fourth Proportional to 74,450.19, 102,741.95 and 40,458.69

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Solution

The fourth proportional to 74,450.19, 102,741.95 and 40,458.69 is: 55,833.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,450.19 : 102,741.95 = 40,458.69 : x
  2. Step 2: Convert to fraction form
    74,450.19/102,741.95 = 40,458.69/x
  3. Step 3: Cross multiply
    74,450.19x = 102,741.95 × 40,458.69
  4. Step 4: Simplify right side
    74,450.19x = 4,156,804,502.75
  5. Step 5: Solve for x
    x = 4,156,804,502.75/74,450.19
  6. Step 6: Final answer
    x = 55,833.36

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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.