Home / 70,371.36-97,120.26-40,164.12

Finding the Fourth Proportional to 70,371.36, 97,120.26 and 40,164.12

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Solution

The fourth proportional to 70,371.36, 97,120.26 and 40,164.12 is: 55,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,371.36 : 97,120.26 = 40,164.12 : x
  2. Step 2: Convert to fraction form
    70,371.36/97,120.26 = 40,164.12/x
  3. Step 3: Cross multiply
    70,371.36x = 97,120.26 × 40,164.12
  4. Step 4: Simplify right side
    70,371.36x = 3,900,749,777.07
  5. Step 5: Solve for x
    x = 3,900,749,777.07/70,371.36
  6. Step 6: Final answer
    x = 55,430.93

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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.