Home / 77,184.30-106,519.28-43,196.70

Finding the Fourth Proportional to 77,184.30, 106,519.28 and 43,196.70

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Solution

The fourth proportional to 77,184.30, 106,519.28 and 43,196.70 is: 59,614.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,184.30 : 106,519.28 = 43,196.70 : x
  2. Step 2: Convert to fraction form
    77,184.30/106,519.28 = 43,196.70/x
  3. Step 3: Cross multiply
    77,184.30x = 106,519.28 × 43,196.70
  4. Step 4: Simplify right side
    77,184.30x = 4,601,281,166.39
  5. Step 5: Solve for x
    x = 4,601,281,166.39/77,184.30
  6. Step 6: Final answer
    x = 59,614.21

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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.