Home / 104,418.16-144,166.44-61,990.32

Finding the Fourth Proportional to 104,418.16, 144,166.44 and 61,990.32

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Solution

The fourth proportional to 104,418.16, 144,166.44 and 61,990.32 is: 85,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,418.16 : 144,166.44 = 61,990.32 : x
  2. Step 2: Convert to fraction form
    104,418.16/144,166.44 = 61,990.32/x
  3. Step 3: Cross multiply
    104,418.16x = 144,166.44 × 61,990.32
  4. Step 4: Simplify right side
    104,418.16x = 8,936,923,748.86
  5. Step 5: Solve for x
    x = 8,936,923,748.86/104,418.16
  6. Step 6: Final answer
    x = 85,587.83

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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.