Home / 86,089.92-118,801.34-47,849.28

Finding the Fourth Proportional to 86,089.92, 118,801.34 and 47,849.28

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Solution

The fourth proportional to 86,089.92, 118,801.34 and 47,849.28 is: 66,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,089.92 : 118,801.34 = 47,849.28 : x
  2. Step 2: Convert to fraction form
    86,089.92/118,801.34 = 47,849.28/x
  3. Step 3: Cross multiply
    86,089.92x = 118,801.34 × 47,849.28
  4. Step 4: Simplify right side
    86,089.92x = 5,684,558,582.04
  5. Step 5: Solve for x
    x = 5,684,558,582.04/86,089.92
  6. Step 6: Final answer
    x = 66,030.48

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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.