Home / 71,349.29-98,463.20-39,083.45

Finding the Fourth Proportional to 71,349.29, 98,463.20 and 39,083.45

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Solution

The fourth proportional to 71,349.29, 98,463.20 and 39,083.45 is: 53,935.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,349.29 : 98,463.20 = 39,083.45 : x
  2. Step 2: Convert to fraction form
    71,349.29/98,463.20 = 39,083.45/x
  3. Step 3: Cross multiply
    71,349.29x = 98,463.20 × 39,083.45
  4. Step 4: Simplify right side
    71,349.29x = 3,848,280,866.31
  5. Step 5: Solve for x
    x = 3,848,280,866.31/71,349.29
  6. Step 6: Final answer
    x = 53,935.80

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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.