Home / 86,636.52-129,946-58,735.88

Finding the Fourth Proportional to 86,636.52, 129,946 and 58,735.88

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Solution

The fourth proportional to 86,636.52, 129,946 and 58,735.88 is: 88,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,636.52 : 129,946 = 58,735.88 : x
  2. Step 2: Convert to fraction form
    86,636.52/129,946 = 58,735.88/x
  3. Step 3: Cross multiply
    86,636.52x = 129,946 × 58,735.88
  4. Step 4: Simplify right side
    86,636.52x = 7,632,492,662.48
  5. Step 5: Solve for x
    x = 7,632,492,662.48/86,636.52
  6. Step 6: Final answer
    x = 88,097.87

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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.