Home / 93,872.25-129,543.71-51,431.76

Finding the Fourth Proportional to 93,872.25, 129,543.71 and 51,431.76

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Solution

The fourth proportional to 93,872.25, 129,543.71 and 51,431.76 is: 70,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,872.25 : 129,543.71 = 51,431.76 : x
  2. Step 2: Convert to fraction form
    93,872.25/129,543.71 = 51,431.76/x
  3. Step 3: Cross multiply
    93,872.25x = 129,543.71 × 51,431.76
  4. Step 4: Simplify right side
    93,872.25x = 6,662,660,745.07
  5. Step 5: Solve for x
    x = 6,662,660,745.07/93,872.25
  6. Step 6: Final answer
    x = 70,975.83

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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.