Home / 86,240.91-118,998.35-49,929.42

Finding the Fourth Proportional to 86,240.91, 118,998.35 and 49,929.42

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Solution

The fourth proportional to 86,240.91, 118,998.35 and 49,929.42 is: 68,894.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,240.91 : 118,998.35 = 49,929.42 : x
  2. Step 2: Convert to fraction form
    86,240.91/118,998.35 = 49,929.42/x
  3. Step 3: Cross multiply
    86,240.91x = 118,998.35 × 49,929.42
  4. Step 4: Simplify right side
    86,240.91x = 5,941,518,980.29
  5. Step 5: Solve for x
    x = 5,941,518,980.29/86,240.91
  6. Step 6: Final answer
    x = 68,894.43

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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.