Home / 66,913.16-92,341.40-36,696.65

Finding the Fourth Proportional to 66,913.16, 92,341.40 and 36,696.65

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Solution

The fourth proportional to 66,913.16, 92,341.40 and 36,696.65 is: 50,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,913.16 : 92,341.40 = 36,696.65 : x
  2. Step 2: Convert to fraction form
    66,913.16/92,341.40 = 36,696.65/x
  3. Step 3: Cross multiply
    66,913.16x = 92,341.40 × 36,696.65
  4. Step 4: Simplify right side
    66,913.16x = 3,388,619,391.12
  5. Step 5: Solve for x
    x = 3,388,619,391.12/66,913.16
  6. Step 6: Final answer
    x = 50,642.05

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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.