Home / 66,161.41-99,369.77-56,695.19

Finding the Fourth Proportional to 66,161.41, 99,369.77 and 56,695.19

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Solution

The fourth proportional to 66,161.41, 99,369.77 and 56,695.19 is: 85,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,161.41 : 99,369.77 = 56,695.19 : x
  2. Step 2: Convert to fraction form
    66,161.41/99,369.77 = 56,695.19/x
  3. Step 3: Cross multiply
    66,161.41x = 99,369.77 × 56,695.19
  4. Step 4: Simplify right side
    66,161.41x = 5,633,787,210.08
  5. Step 5: Solve for x
    x = 5,633,787,210.08/66,161.41
  6. Step 6: Final answer
    x = 85,152.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.