Home / 70,474.30-97,255.35-40,263.64

Finding the Fourth Proportional to 70,474.30, 97,255.35 and 40,263.64

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Solution

The fourth proportional to 70,474.30, 97,255.35 and 40,263.64 is: 55,564.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,474.30 : 97,255.35 = 40,263.64 : x
  2. Step 2: Convert to fraction form
    70,474.30/97,255.35 = 40,263.64/x
  3. Step 3: Cross multiply
    70,474.30x = 97,255.35 × 40,263.64
  4. Step 4: Simplify right side
    70,474.30x = 3,915,854,400.47
  5. Step 5: Solve for x
    x = 3,915,854,400.47/70,474.30
  6. Step 6: Final answer
    x = 55,564.29

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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.