Home / 70,412.56-97,173.22-40,207.58

Finding the Fourth Proportional to 70,412.56, 97,173.22 and 40,207.58

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Solution

The fourth proportional to 70,412.56, 97,173.22 and 40,207.58 is: 55,488.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,412.56 : 97,173.22 = 40,207.58 : x
  2. Step 2: Convert to fraction form
    70,412.56/97,173.22 = 40,207.58/x
  3. Step 3: Cross multiply
    70,412.56x = 97,173.22 × 40,207.58
  4. Step 4: Simplify right side
    70,412.56x = 3,907,100,017.01
  5. Step 5: Solve for x
    x = 3,907,100,017.01/70,412.56
  6. Step 6: Final answer
    x = 55,488.68

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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.