Home / 77,186.38-106,521.69-43,194.57

Finding the Fourth Proportional to 77,186.38, 106,521.69 and 43,194.57

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Solution

The fourth proportional to 77,186.38, 106,521.69 and 43,194.57 is: 59,611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,186.38 : 106,521.69 = 43,194.57 : x
  2. Step 2: Convert to fraction form
    77,186.38/106,521.69 = 43,194.57/x
  3. Step 3: Cross multiply
    77,186.38x = 106,521.69 × 43,194.57
  4. Step 4: Simplify right side
    77,186.38x = 4,601,158,595.22
  5. Step 5: Solve for x
    x = 4,601,158,595.22/77,186.38
  6. Step 6: Final answer
    x = 59,611.02

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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.