Home / 49,111.80-73,667.70-42,430.20

Finding the Fourth Proportional to 49,111.80, 73,667.70 and 42,430.20

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Solution

The fourth proportional to 49,111.80, 73,667.70 and 42,430.20 is: 63,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,111.80 : 73,667.70 = 42,430.20 : x
  2. Step 2: Convert to fraction form
    49,111.80/73,667.70 = 42,430.20/x
  3. Step 3: Cross multiply
    49,111.80x = 73,667.70 × 42,430.20
  4. Step 4: Simplify right side
    49,111.80x = 3,125,735,244.54
  5. Step 5: Solve for x
    x = 3,125,735,244.54/49,111.80
  6. Step 6: Final answer
    x = 63,645.30

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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.