Home / 117,809.10-162,578.07-64,095.57

Finding the Fourth Proportional to 117,809.10, 162,578.07 and 64,095.57

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Solution

The fourth proportional to 117,809.10, 162,578.07 and 64,095.57 is: 88,452.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,809.10 : 162,578.07 = 64,095.57 : x
  2. Step 2: Convert to fraction form
    117,809.10/162,578.07 = 64,095.57/x
  3. Step 3: Cross multiply
    117,809.10x = 162,578.07 × 64,095.57
  4. Step 4: Simplify right side
    117,809.10x = 10,420,534,066.15
  5. Step 5: Solve for x
    x = 10,420,534,066.15/117,809.10
  6. Step 6: Final answer
    x = 88,452.71

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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.