Home / 86,939.03-130,456.99-46,957.21

Finding the Fourth Proportional to 86,939.03, 130,456.99 and 46,957.21

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Solution

The fourth proportional to 86,939.03, 130,456.99 and 46,957.21 is: 70,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,939.03 : 130,456.99 = 46,957.21 : x
  2. Step 2: Convert to fraction form
    86,939.03/130,456.99 = 46,957.21/x
  3. Step 3: Cross multiply
    86,939.03x = 130,456.99 × 46,957.21
  4. Step 4: Simplify right side
    86,939.03x = 6,125,896,007.95
  5. Step 5: Solve for x
    x = 6,125,896,007.95/86,939.03
  6. Step 6: Final answer
    x = 70,461.98

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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.