Home / 86,122.01-118,848.41-49,828.40

Finding the Fourth Proportional to 86,122.01, 118,848.41 and 49,828.40

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Solution

The fourth proportional to 86,122.01, 118,848.41 and 49,828.40 is: 68,763.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,122.01 : 118,848.41 = 49,828.40 : x
  2. Step 2: Convert to fraction form
    86,122.01/118,848.41 = 49,828.40/x
  3. Step 3: Cross multiply
    86,122.01x = 118,848.41 × 49,828.40
  4. Step 4: Simplify right side
    86,122.01x = 5,922,026,683.67
  5. Step 5: Solve for x
    x = 5,922,026,683.67/86,122.01
  6. Step 6: Final answer
    x = 68,763.22

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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.