Home / 82,830.71-114,306.93-47,021.32

Finding the Fourth Proportional to 82,830.71, 114,306.93 and 47,021.32

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Solution

The fourth proportional to 82,830.71, 114,306.93 and 47,021.32 is: 64,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,830.71 : 114,306.93 = 47,021.32 : x
  2. Step 2: Convert to fraction form
    82,830.71/114,306.93 = 47,021.32/x
  3. Step 3: Cross multiply
    82,830.71x = 114,306.93 × 47,021.32
  4. Step 4: Simplify right side
    82,830.71x = 5,374,862,876.63
  5. Step 5: Solve for x
    x = 5,374,862,876.63/82,830.71
  6. Step 6: Final answer
    x = 64,889.73

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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.