Home / 70,400.82-97,155.81-40,191.06

Finding the Fourth Proportional to 70,400.82, 97,155.81 and 40,191.06

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Solution

The fourth proportional to 70,400.82, 97,155.81 and 40,191.06 is: 55,465.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,400.82 : 97,155.81 = 40,191.06 : x
  2. Step 2: Convert to fraction form
    70,400.82/97,155.81 = 40,191.06/x
  3. Step 3: Cross multiply
    70,400.82x = 97,155.81 × 40,191.06
  4. Step 4: Simplify right side
    70,400.82x = 3,904,794,989.06
  5. Step 5: Solve for x
    x = 3,904,794,989.06/70,400.82
  6. Step 6: Final answer
    x = 55,465.19

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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.