Home / 86,044.12-118,721.59-48,315.94

Finding the Fourth Proportional to 86,044.12, 118,721.59 and 48,315.94

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Solution

The fourth proportional to 86,044.12, 118,721.59 and 48,315.94 is: 66,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,044.12 : 118,721.59 = 48,315.94 : x
  2. Step 2: Convert to fraction form
    86,044.12/118,721.59 = 48,315.94/x
  3. Step 3: Cross multiply
    86,044.12x = 118,721.59 × 48,315.94
  4. Step 4: Simplify right side
    86,044.12x = 5,736,145,219.14
  5. Step 5: Solve for x
    x = 5,736,145,219.14/86,044.12
  6. Step 6: Final answer
    x = 66,665.16

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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.