Home / 84,642.47-126,984.69-59,731.19

Finding the Fourth Proportional to 84,642.47, 126,984.69 and 59,731.19

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Solution

The fourth proportional to 84,642.47, 126,984.69 and 59,731.19 is: 89,611.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,642.47 : 126,984.69 = 59,731.19 : x
  2. Step 2: Convert to fraction form
    84,642.47/126,984.69 = 59,731.19/x
  3. Step 3: Cross multiply
    84,642.47x = 126,984.69 × 59,731.19
  4. Step 4: Simplify right side
    84,642.47x = 7,584,946,645.48
  5. Step 5: Solve for x
    x = 7,584,946,645.48/84,642.47
  6. Step 6: Final answer
    x = 89,611.59

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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.