Home / 74,064.65-102,180.67-51,392.30

Finding the Fourth Proportional to 74,064.65, 102,180.67 and 51,392.30

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Solution

The fourth proportional to 74,064.65, 102,180.67 and 51,392.30 is: 70,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,064.65 : 102,180.67 = 51,392.30 : x
  2. Step 2: Convert to fraction form
    74,064.65/102,180.67 = 51,392.30/x
  3. Step 3: Cross multiply
    74,064.65x = 102,180.67 × 51,392.30
  4. Step 4: Simplify right side
    74,064.65x = 5,251,299,646.84
  5. Step 5: Solve for x
    x = 5,251,299,646.84/74,064.65
  6. Step 6: Final answer
    x = 70,901.57

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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.