Home / 66,320.10-91,529.58-37,253.28

Finding the Fourth Proportional to 66,320.10, 91,529.58 and 37,253.28

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Solution

The fourth proportional to 66,320.10, 91,529.58 and 37,253.28 is: 51,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,320.10 : 91,529.58 = 37,253.28 : x
  2. Step 2: Convert to fraction form
    66,320.10/91,529.58 = 37,253.28/x
  3. Step 3: Cross multiply
    66,320.10x = 91,529.58 × 37,253.28
  4. Step 4: Simplify right side
    66,320.10x = 3,409,777,072.02
  5. Step 5: Solve for x
    x = 3,409,777,072.02/66,320.10
  6. Step 6: Final answer
    x = 51,413.93

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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.