Home / 70,416.82-97,177.89-40,207.06

Finding the Fourth Proportional to 70,416.82, 97,177.89 and 40,207.06

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Solution

The fourth proportional to 70,416.82, 97,177.89 and 40,207.06 is: 55,487.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,416.82 : 97,177.89 = 40,207.06 : x
  2. Step 2: Convert to fraction form
    70,416.82/97,177.89 = 40,207.06/x
  3. Step 3: Cross multiply
    70,416.82x = 97,177.89 × 40,207.06
  4. Step 4: Simplify right side
    70,416.82x = 3,907,237,253.90
  5. Step 5: Solve for x
    x = 3,907,237,253.90/70,416.82
  6. Step 6: Final answer
    x = 55,487.27

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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.