Home / 86,255.78-119,032.76-48,530.02

Finding the Fourth Proportional to 86,255.78, 119,032.76 and 48,530.02

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Solution

The fourth proportional to 86,255.78, 119,032.76 and 48,530.02 is: 66,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,255.78 : 119,032.76 = 48,530.02 : x
  2. Step 2: Convert to fraction form
    86,255.78/119,032.76 = 48,530.02/x
  3. Step 3: Cross multiply
    86,255.78x = 119,032.76 × 48,530.02
  4. Step 4: Simplify right side
    86,255.78x = 5,776,662,223.46
  5. Step 5: Solve for x
    x = 5,776,662,223.46/86,255.78
  6. Step 6: Final answer
    x = 66,971.31

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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.