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Finding the Fourth Proportional to 70,604.91, 97,410.41 and 45,126.19

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Solution

The fourth proportional to 70,604.91, 97,410.41 and 45,126.19 is: 62,258.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,604.91 : 97,410.41 = 45,126.19 : x
  2. Step 2: Convert to fraction form
    70,604.91/97,410.41 = 45,126.19/x
  3. Step 3: Cross multiply
    70,604.91x = 97,410.41 × 45,126.19
  4. Step 4: Simplify right side
    70,604.91x = 4,395,760,182.59
  5. Step 5: Solve for x
    x = 4,395,760,182.59/70,604.91
  6. Step 6: Final answer
    x = 62,258.56

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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.