Home / 71,548.04-98,740.77-39,717.47

Finding the Fourth Proportional to 71,548.04, 98,740.77 and 39,717.47

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Solution

The fourth proportional to 71,548.04, 98,740.77 and 39,717.47 is: 54,812.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,548.04 : 98,740.77 = 39,717.47 : x
  2. Step 2: Convert to fraction form
    71,548.04/98,740.77 = 39,717.47/x
  3. Step 3: Cross multiply
    71,548.04x = 98,740.77 × 39,717.47
  4. Step 4: Simplify right side
    71,548.04x = 3,921,733,570.25
  5. Step 5: Solve for x
    x = 3,921,733,570.25/71,548.04
  6. Step 6: Final answer
    x = 54,812.59

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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.