Home / 66,309.19-91,507.85-36,095.38

Finding the Fourth Proportional to 66,309.19, 91,507.85 and 36,095.38

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Solution

The fourth proportional to 66,309.19, 91,507.85 and 36,095.38 is: 49,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,309.19 : 91,507.85 = 36,095.38 : x
  2. Step 2: Convert to fraction form
    66,309.19/91,507.85 = 36,095.38/x
  3. Step 3: Cross multiply
    66,309.19x = 91,507.85 × 36,095.38
  4. Step 4: Simplify right side
    66,309.19x = 3,303,010,618.73
  5. Step 5: Solve for x
    x = 3,303,010,618.73/66,309.19
  6. Step 6: Final answer
    x = 49,812.26

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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.