Home / 71,007.60-97,995.24-40,802.76

Finding the Fourth Proportional to 71,007.60, 97,995.24 and 40,802.76

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Solution

The fourth proportional to 71,007.60, 97,995.24 and 40,802.76 is: 56,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,007.60 : 97,995.24 = 40,802.76 : x
  2. Step 2: Convert to fraction form
    71,007.60/97,995.24 = 40,802.76/x
  3. Step 3: Cross multiply
    71,007.60x = 97,995.24 × 40,802.76
  4. Step 4: Simplify right side
    71,007.60x = 3,998,476,258.86
  5. Step 5: Solve for x
    x = 3,998,476,258.86/71,007.60
  6. Step 6: Final answer
    x = 56,310.54

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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.