Home / 66,022.58-91,110.66-35,807.24

Finding the Fourth Proportional to 66,022.58, 91,110.66 and 35,807.24

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Solution

The fourth proportional to 66,022.58, 91,110.66 and 35,807.24 is: 49,413.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,022.58 : 91,110.66 = 35,807.24 : x
  2. Step 2: Convert to fraction form
    66,022.58/91,110.66 = 35,807.24/x
  3. Step 3: Cross multiply
    66,022.58x = 91,110.66 × 35,807.24
  4. Step 4: Simplify right side
    66,022.58x = 3,262,421,269.18
  5. Step 5: Solve for x
    x = 3,262,421,269.18/66,022.58
  6. Step 6: Final answer
    x = 49,413.72

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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.