Home / 74,509.10-102,823.57-42,677.97

Finding the Fourth Proportional to 74,509.10, 102,823.57 and 42,677.97

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Solution

The fourth proportional to 74,509.10, 102,823.57 and 42,677.97 is: 58,896.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,509.10 : 102,823.57 = 42,677.97 : x
  2. Step 2: Convert to fraction form
    74,509.10/102,823.57 = 42,677.97/x
  3. Step 3: Cross multiply
    74,509.10x = 102,823.57 × 42,677.97
  4. Step 4: Simplify right side
    74,509.10x = 4,388,301,235.75
  5. Step 5: Solve for x
    x = 4,388,301,235.75/74,509.10
  6. Step 6: Final answer
    x = 58,896.18

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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.