Home / 71,448.15-98,598.29-39,616.23

Finding the Fourth Proportional to 71,448.15, 98,598.29 and 39,616.23

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Solution

The fourth proportional to 71,448.15, 98,598.29 and 39,616.23 is: 54,670.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,448.15 : 98,598.29 = 39,616.23 : x
  2. Step 2: Convert to fraction form
    71,448.15/98,598.29 = 39,616.23/x
  3. Step 3: Cross multiply
    71,448.15x = 98,598.29 × 39,616.23
  4. Step 4: Simplify right side
    71,448.15x = 3,906,092,336.17
  5. Step 5: Solve for x
    x = 3,906,092,336.17/71,448.15
  6. Step 6: Final answer
    x = 54,670.31

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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.