Home / 79,277.32-109,416.69-47,446.14

Finding the Fourth Proportional to 79,277.32, 109,416.69 and 47,446.14

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Solution

The fourth proportional to 79,277.32, 109,416.69 and 47,446.14 is: 65,484.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,277.32 : 109,416.69 = 47,446.14 : x
  2. Step 2: Convert to fraction form
    79,277.32/109,416.69 = 47,446.14/x
  3. Step 3: Cross multiply
    79,277.32x = 109,416.69 × 47,446.14
  4. Step 4: Simplify right side
    79,277.32x = 5,191,399,592.08
  5. Step 5: Solve for x
    x = 5,191,399,592.08/79,277.32
  6. Step 6: Final answer
    x = 65,484.05

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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.