Home / 93,631.49-129,211.43-51,190.02

Finding the Fourth Proportional to 93,631.49, 129,211.43 and 51,190.02

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Solution

The fourth proportional to 93,631.49, 129,211.43 and 51,190.02 is: 70,642.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,631.49 : 129,211.43 = 51,190.02 : x
  2. Step 2: Convert to fraction form
    93,631.49/129,211.43 = 51,190.02/x
  3. Step 3: Cross multiply
    93,631.49x = 129,211.43 × 51,190.02
  4. Step 4: Simplify right side
    93,631.49x = 6,614,335,685.93
  5. Step 5: Solve for x
    x = 6,614,335,685.93/93,631.49
  6. Step 6: Final answer
    x = 70,642.21

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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.