Home / 61,043.31-91,705.67-58,521.09

Finding the Fourth Proportional to 61,043.31, 91,705.67 and 58,521.09

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Solution

The fourth proportional to 61,043.31, 91,705.67 and 58,521.09 is: 87,916.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,043.31 : 91,705.67 = 58,521.09 : x
  2. Step 2: Convert to fraction form
    61,043.31/91,705.67 = 58,521.09/x
  3. Step 3: Cross multiply
    61,043.31x = 91,705.67 × 58,521.09
  4. Step 4: Simplify right side
    61,043.31x = 5,366,715,474.97
  5. Step 5: Solve for x
    x = 5,366,715,474.97/61,043.31
  6. Step 6: Final answer
    x = 87,916.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.