Home / 66,283.68-91,475.42-37,991.19

Finding the Fourth Proportional to 66,283.68, 91,475.42 and 37,991.19

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Solution

The fourth proportional to 66,283.68, 91,475.42 and 37,991.19 is: 52,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,283.68 : 91,475.42 = 37,991.19 : x
  2. Step 2: Convert to fraction form
    66,283.68/91,475.42 = 37,991.19/x
  3. Step 3: Cross multiply
    66,283.68x = 91,475.42 × 37,991.19
  4. Step 4: Simplify right side
    66,283.68x = 3,475,260,061.55
  5. Step 5: Solve for x
    x = 3,475,260,061.55/66,283.68
  6. Step 6: Final answer
    x = 52,430.10

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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.