Home / 66,126.02-91,231.71-37,441.76

Finding the Fourth Proportional to 66,126.02, 91,231.71 and 37,441.76

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Solution

The fourth proportional to 66,126.02, 91,231.71 and 37,441.76 is: 51,657.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,126.02 : 91,231.71 = 37,441.76 : x
  2. Step 2: Convert to fraction form
    66,126.02/91,231.71 = 37,441.76/x
  3. Step 3: Cross multiply
    66,126.02x = 91,231.71 × 37,441.76
  4. Step 4: Simplify right side
    66,126.02x = 3,415,875,790.21
  5. Step 5: Solve for x
    x = 3,415,875,790.21/66,126.02
  6. Step 6: Final answer
    x = 51,657.06

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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.