Home / 62,825.68-86,700.12-34,145.36

Finding the Fourth Proportional to 62,825.68, 86,700.12 and 34,145.36

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Solution

The fourth proportional to 62,825.68, 86,700.12 and 34,145.36 is: 47,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,825.68 : 86,700.12 = 34,145.36 : x
  2. Step 2: Convert to fraction form
    62,825.68/86,700.12 = 34,145.36/x
  3. Step 3: Cross multiply
    62,825.68x = 86,700.12 × 34,145.36
  4. Step 4: Simplify right side
    62,825.68x = 2,960,406,809.44
  5. Step 5: Solve for x
    x = 2,960,406,809.44/62,825.68
  6. Step 6: Final answer
    x = 47,120.97

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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.