Home / 71,288.02-98,376.27-39,456.23

Finding the Fourth Proportional to 71,288.02, 98,376.27 and 39,456.23

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Solution

The fourth proportional to 71,288.02, 98,376.27 and 39,456.23 is: 54,448.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,288.02 : 98,376.27 = 39,456.23 : x
  2. Step 2: Convert to fraction form
    71,288.02/98,376.27 = 39,456.23/x
  3. Step 3: Cross multiply
    71,288.02x = 98,376.27 × 39,456.23
  4. Step 4: Simplify right side
    71,288.02x = 3,881,556,735.66
  5. Step 5: Solve for x
    x = 3,881,556,735.66/71,288.02
  6. Step 6: Final answer
    x = 54,448.94

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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.