Home / 66,079.48-91,191.04-37,399.14

Finding the Fourth Proportional to 66,079.48, 91,191.04 and 37,399.14

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Solution

The fourth proportional to 66,079.48, 91,191.04 and 37,399.14 is: 51,611.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,079.48 : 91,191.04 = 37,399.14 : x
  2. Step 2: Convert to fraction form
    66,079.48/91,191.04 = 37,399.14/x
  3. Step 3: Cross multiply
    66,079.48x = 91,191.04 × 37,399.14
  4. Step 4: Simplify right side
    66,079.48x = 3,410,466,471.71
  5. Step 5: Solve for x
    x = 3,410,466,471.71/66,079.48
  6. Step 6: Final answer
    x = 51,611.58

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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.