Home / 61,030.23-91,292.58-57,297.75

Finding the Fourth Proportional to 61,030.23, 91,292.58 and 57,297.75

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Solution

The fourth proportional to 61,030.23, 91,292.58 and 57,297.75 is: 85,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,030.23 : 91,292.58 = 57,297.75 : x
  2. Step 2: Convert to fraction form
    61,030.23/91,292.58 = 57,297.75/x
  3. Step 3: Cross multiply
    61,030.23x = 91,292.58 × 57,297.75
  4. Step 4: Simplify right side
    61,030.23x = 5,230,859,425.70
  5. Step 5: Solve for x
    x = 5,230,859,425.70/61,030.23
  6. Step 6: Final answer
    x = 85,709.32

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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.