Home / 73,864.10-110,785.67-42,171.28

Finding the Fourth Proportional to 73,864.10, 110,785.67 and 42,171.28

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Solution

The fourth proportional to 73,864.10, 110,785.67 and 42,171.28 is: 63,250.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,864.10 : 110,785.67 = 42,171.28 : x
  2. Step 2: Convert to fraction form
    73,864.10/110,785.67 = 42,171.28/x
  3. Step 3: Cross multiply
    73,864.10x = 110,785.67 × 42,171.28
  4. Step 4: Simplify right side
    73,864.10x = 4,671,974,040.26
  5. Step 5: Solve for x
    x = 4,671,974,040.26/73,864.10
  6. Step 6: Final answer
    x = 63,250.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.