Home / 86,952.69-130,429.08-47,488.23

Finding the Fourth Proportional to 86,952.69, 130,429.08 and 47,488.23

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Solution

The fourth proportional to 86,952.69, 130,429.08 and 47,488.23 is: 71,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,952.69 : 130,429.08 = 47,488.23 : x
  2. Step 2: Convert to fraction form
    86,952.69/130,429.08 = 47,488.23/x
  3. Step 3: Cross multiply
    86,952.69x = 130,429.08 × 47,488.23
  4. Step 4: Simplify right side
    86,952.69x = 6,193,846,149.73
  5. Step 5: Solve for x
    x = 6,193,846,149.73/86,952.69
  6. Step 6: Final answer
    x = 71,232.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.