Home / 86,225.61-129,087.99-52,844.70

Finding the Fourth Proportional to 86,225.61, 129,087.99 and 52,844.70

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Solution

The fourth proportional to 86,225.61, 129,087.99 and 52,844.70 is: 79,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,225.61 : 129,087.99 = 52,844.70 : x
  2. Step 2: Convert to fraction form
    86,225.61/129,087.99 = 52,844.70/x
  3. Step 3: Cross multiply
    86,225.61x = 129,087.99 × 52,844.70
  4. Step 4: Simplify right side
    86,225.61x = 6,821,616,105.15
  5. Step 5: Solve for x
    x = 6,821,616,105.15/86,225.61
  6. Step 6: Final answer
    x = 79,113.57

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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.