Home / 66,115.02-91,237.10-37,819.02

Finding the Fourth Proportional to 66,115.02, 91,237.10 and 37,819.02

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Solution

The fourth proportional to 66,115.02, 91,237.10 and 37,819.02 is: 52,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,115.02 : 91,237.10 = 37,819.02 : x
  2. Step 2: Convert to fraction form
    66,115.02/91,237.10 = 37,819.02/x
  3. Step 3: Cross multiply
    66,115.02x = 91,237.10 × 37,819.02
  4. Step 4: Simplify right side
    66,115.02x = 3,450,497,709.64
  5. Step 5: Solve for x
    x = 3,450,497,709.64/66,115.02
  6. Step 6: Final answer
    x = 52,189.32

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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.