Home / 66,157.15-91,276.75-37,472.25

Finding the Fourth Proportional to 66,157.15, 91,276.75 and 37,472.25

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Solution

The fourth proportional to 66,157.15, 91,276.75 and 37,472.25 is: 51,700.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,157.15 : 91,276.75 = 37,472.25 : x
  2. Step 2: Convert to fraction form
    66,157.15/91,276.75 = 37,472.25/x
  3. Step 3: Cross multiply
    66,157.15x = 91,276.75 × 37,472.25
  4. Step 4: Simplify right side
    66,157.15x = 3,420,345,195.19
  5. Step 5: Solve for x
    x = 3,420,345,195.19/66,157.15
  6. Step 6: Final answer
    x = 51,700.31

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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.