Home / 66,117.42-91,216.23-37,807.98

Finding the Fourth Proportional to 66,117.42, 91,216.23 and 37,807.98

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Solution

The fourth proportional to 66,117.42, 91,216.23 and 37,807.98 is: 52,160.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,117.42 : 91,216.23 = 37,807.98 : x
  2. Step 2: Convert to fraction form
    66,117.42/91,216.23 = 37,807.98/x
  3. Step 3: Cross multiply
    66,117.42x = 91,216.23 × 37,807.98
  4. Step 4: Simplify right side
    66,117.42x = 3,448,701,399.52
  5. Step 5: Solve for x
    x = 3,448,701,399.52/66,117.42
  6. Step 6: Final answer
    x = 52,160.25

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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.