Home / 93,701.20-129,310.74-51,258.76

Finding the Fourth Proportional to 93,701.20, 129,310.74 and 51,258.76

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Solution

The fourth proportional to 93,701.20, 129,310.74 and 51,258.76 is: 70,738.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,701.20 : 129,310.74 = 51,258.76 : x
  2. Step 2: Convert to fraction form
    93,701.20/129,310.74 = 51,258.76/x
  3. Step 3: Cross multiply
    93,701.20x = 129,310.74 × 51,258.76
  4. Step 4: Simplify right side
    93,701.20x = 6,628,308,187.08
  5. Step 5: Solve for x
    x = 6,628,308,187.08/93,701.20
  6. Step 6: Final answer
    x = 70,738.78

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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.