Home / 70,943.39-97,906.29-39,112.24

Finding the Fourth Proportional to 70,943.39, 97,906.29 and 39,112.24

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Solution

The fourth proportional to 70,943.39, 97,906.29 and 39,112.24 is: 53,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,943.39 : 97,906.29 = 39,112.24 : x
  2. Step 2: Convert to fraction form
    70,943.39/97,906.29 = 39,112.24/x
  3. Step 3: Cross multiply
    70,943.39x = 97,906.29 × 39,112.24
  4. Step 4: Simplify right side
    70,943.39x = 3,829,334,311.99
  5. Step 5: Solve for x
    x = 3,829,334,311.99/70,943.39
  6. Step 6: Final answer
    x = 53,977.32

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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.