Home / 66,685.39-92,059.28-51,543.85

Finding the Fourth Proportional to 66,685.39, 92,059.28 and 51,543.85

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Solution

The fourth proportional to 66,685.39, 92,059.28 and 51,543.85 is: 71,156.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,685.39 : 92,059.28 = 51,543.85 : x
  2. Step 2: Convert to fraction form
    66,685.39/92,059.28 = 51,543.85/x
  3. Step 3: Cross multiply
    66,685.39x = 92,059.28 × 51,543.85
  4. Step 4: Simplify right side
    66,685.39x = 4,745,089,719.43
  5. Step 5: Solve for x
    x = 4,745,089,719.43/66,685.39
  6. Step 6: Final answer
    x = 71,156.36

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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.