Home / 66,113.01-91,234.35-37,817.01

Finding the Fourth Proportional to 66,113.01, 91,234.35 and 37,817.01

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Solution

The fourth proportional to 66,113.01, 91,234.35 and 37,817.01 is: 52,186.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,113.01 : 91,234.35 = 37,817.01 : x
  2. Step 2: Convert to fraction form
    66,113.01/91,234.35 = 37,817.01/x
  3. Step 3: Cross multiply
    66,113.01x = 91,234.35 × 37,817.01
  4. Step 4: Simplify right side
    66,113.01x = 3,450,210,326.29
  5. Step 5: Solve for x
    x = 3,450,210,326.29/66,113.01
  6. Step 6: Final answer
    x = 52,186.56

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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.