Home / 79,134.93-109,206.27-43,325.01

Finding the Fourth Proportional to 79,134.93, 109,206.27 and 43,325.01

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Solution

The fourth proportional to 79,134.93, 109,206.27 and 43,325.01 is: 59,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,134.93 : 109,206.27 = 43,325.01 : x
  2. Step 2: Convert to fraction form
    79,134.93/109,206.27 = 43,325.01/x
  3. Step 3: Cross multiply
    79,134.93x = 109,206.27 × 43,325.01
  4. Step 4: Simplify right side
    79,134.93x = 4,731,362,739.81
  5. Step 5: Solve for x
    x = 4,731,362,739.81/79,134.93
  6. Step 6: Final answer
    x = 59,788.55

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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.