Home / 86,564.18-119,458.07-48,321.52

Finding the Fourth Proportional to 86,564.18, 119,458.07 and 48,321.52

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Solution

The fourth proportional to 86,564.18, 119,458.07 and 48,321.52 is: 66,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,564.18 : 119,458.07 = 48,321.52 : x
  2. Step 2: Convert to fraction form
    86,564.18/119,458.07 = 48,321.52/x
  3. Step 3: Cross multiply
    86,564.18x = 119,458.07 × 48,321.52
  4. Step 4: Simplify right side
    86,564.18x = 5,772,395,518.67
  5. Step 5: Solve for x
    x = 5,772,395,518.67/86,564.18
  6. Step 6: Final answer
    x = 66,683.42

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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.