Home / 79,776.20-110,088.24-47,948.06

Finding the Fourth Proportional to 79,776.20, 110,088.24 and 47,948.06

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Solution

The fourth proportional to 79,776.20, 110,088.24 and 47,948.06 is: 66,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,776.20 : 110,088.24 = 47,948.06 : x
  2. Step 2: Convert to fraction form
    79,776.20/110,088.24 = 47,948.06/x
  3. Step 3: Cross multiply
    79,776.20x = 110,088.24 × 47,948.06
  4. Step 4: Simplify right side
    79,776.20x = 5,278,517,536.81
  5. Step 5: Solve for x
    x = 5,278,517,536.81/79,776.20
  6. Step 6: Final answer
    x = 66,166.57

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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.