Home / 74,904.13-103,409.22-51,065.83

Finding the Fourth Proportional to 74,904.13, 103,409.22 and 51,065.83

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Solution

The fourth proportional to 74,904.13, 103,409.22 and 51,065.83 is: 70,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,904.13 : 103,409.22 = 51,065.83 : x
  2. Step 2: Convert to fraction form
    74,904.13/103,409.22 = 51,065.83/x
  3. Step 3: Cross multiply
    74,904.13x = 103,409.22 × 51,065.83
  4. Step 4: Simplify right side
    74,904.13x = 5,280,677,648.95
  5. Step 5: Solve for x
    x = 5,280,677,648.95/74,904.13
  6. Step 6: Final answer
    x = 70,499.15

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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.