Home / 79,188.30-109,281.24-43,376.01

Finding the Fourth Proportional to 79,188.30, 109,281.24 and 43,376.01

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Solution

The fourth proportional to 79,188.30, 109,281.24 and 43,376.01 is: 59,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,188.30 : 109,281.24 = 43,376.01 : x
  2. Step 2: Convert to fraction form
    79,188.30/109,281.24 = 43,376.01/x
  3. Step 3: Cross multiply
    79,188.30x = 109,281.24 × 43,376.01
  4. Step 4: Simplify right side
    79,188.30x = 4,740,184,159.05
  5. Step 5: Solve for x
    x = 4,740,184,159.05/79,188.30
  6. Step 6: Final answer
    x = 59,859.65

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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.