Home / 86,086.59-118,802.54-47,846.90

Finding the Fourth Proportional to 86,086.59, 118,802.54 and 47,846.90

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Solution

The fourth proportional to 86,086.59, 118,802.54 and 47,846.90 is: 66,030.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,086.59 : 118,802.54 = 47,846.90 : x
  2. Step 2: Convert to fraction form
    86,086.59/118,802.54 = 47,846.90/x
  3. Step 3: Cross multiply
    86,086.59x = 118,802.54 × 47,846.90
  4. Step 4: Simplify right side
    86,086.59x = 5,684,333,251.13
  5. Step 5: Solve for x
    x = 5,684,333,251.13/86,086.59
  6. Step 6: Final answer
    x = 66,030.41

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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.