Home / 66,610.14-99,429.28-58,202.50

Finding the Fourth Proportional to 66,610.14, 99,429.28 and 58,202.50

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Solution

The fourth proportional to 66,610.14, 99,429.28 and 58,202.50 is: 86,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,610.14 : 99,429.28 = 58,202.50 : x
  2. Step 2: Convert to fraction form
    66,610.14/99,429.28 = 58,202.50/x
  3. Step 3: Cross multiply
    66,610.14x = 99,429.28 × 58,202.50
  4. Step 4: Simplify right side
    66,610.14x = 5,787,032,669.20
  5. Step 5: Solve for x
    x = 5,787,032,669.20/66,610.14
  6. Step 6: Final answer
    x = 86,879.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.