Home / 62,140.75-85,726.96-41,990.29

Finding the Fourth Proportional to 62,140.75, 85,726.96 and 41,990.29

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Solution

The fourth proportional to 62,140.75, 85,726.96 and 41,990.29 is: 57,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,140.75 : 85,726.96 = 41,990.29 : x
  2. Step 2: Convert to fraction form
    62,140.75/85,726.96 = 41,990.29/x
  3. Step 3: Cross multiply
    62,140.75x = 85,726.96 × 41,990.29
  4. Step 4: Simplify right side
    62,140.75x = 3,599,699,911.22
  5. Step 5: Solve for x
    x = 3,599,699,911.22/62,140.75
  6. Step 6: Final answer
    x = 57,928.17

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1.5x scale

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.