Home / 66,810.56-92,113.62-47,713.19

Finding the Fourth Proportional to 66,810.56, 92,113.62 and 47,713.19

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Solution

The fourth proportional to 66,810.56, 92,113.62 and 47,713.19 is: 65,783.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,810.56 : 92,113.62 = 47,713.19 : x
  2. Step 2: Convert to fraction form
    66,810.56/92,113.62 = 47,713.19/x
  3. Step 3: Cross multiply
    66,810.56x = 92,113.62 × 47,713.19
  4. Step 4: Simplify right side
    66,810.56x = 4,395,034,652.65
  5. Step 5: Solve for x
    x = 4,395,034,652.65/66,810.56
  6. Step 6: Final answer
    x = 65,783.53

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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.