Home / 77,164.20-106,486.02-43,631.40

Finding the Fourth Proportional to 77,164.20, 106,486.02 and 43,631.40

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Solution

The fourth proportional to 77,164.20, 106,486.02 and 43,631.40 is: 60,211.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,164.20 : 106,486.02 = 43,631.40 : x
  2. Step 2: Convert to fraction form
    77,164.20/106,486.02 = 43,631.40/x
  3. Step 3: Cross multiply
    77,164.20x = 106,486.02 × 43,631.40
  4. Step 4: Simplify right side
    77,164.20x = 4,646,134,133.03
  5. Step 5: Solve for x
    x = 4,646,134,133.03/77,164.20
  6. Step 6: Final answer
    x = 60,211.01

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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.