Home / 70,219.14-96,878.75-39,983.07

Finding the Fourth Proportional to 70,219.14, 96,878.75 and 39,983.07

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Solution

The fourth proportional to 70,219.14, 96,878.75 and 39,983.07 is: 55,163.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,219.14 : 96,878.75 = 39,983.07 : x
  2. Step 2: Convert to fraction form
    70,219.14/96,878.75 = 39,983.07/x
  3. Step 3: Cross multiply
    70,219.14x = 96,878.75 × 39,983.07
  4. Step 4: Simplify right side
    70,219.14x = 3,873,509,642.85
  5. Step 5: Solve for x
    x = 3,873,509,642.85/70,219.14
  6. Step 6: Final answer
    x = 55,163.16

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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.