Home / 79,085.96-109,146.05-47,254.18

Finding the Fourth Proportional to 79,085.96, 109,146.05 and 47,254.18

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Solution

The fourth proportional to 79,085.96, 109,146.05 and 47,254.18 is: 65,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,085.96 : 109,146.05 = 47,254.18 : x
  2. Step 2: Convert to fraction form
    79,085.96/109,146.05 = 47,254.18/x
  3. Step 3: Cross multiply
    79,085.96x = 109,146.05 × 47,254.18
  4. Step 4: Simplify right side
    79,085.96x = 5,157,606,310.99
  5. Step 5: Solve for x
    x = 5,157,606,310.99/79,085.96
  6. Step 6: Final answer
    x = 65,215.20

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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.