Home / 83,830.64-115,676.59-48,018.52

Finding the Fourth Proportional to 83,830.64, 115,676.59 and 48,018.52

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Solution

The fourth proportional to 83,830.64, 115,676.59 and 48,018.52 is: 66,260.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,830.64 : 115,676.59 = 48,018.52 : x
  2. Step 2: Convert to fraction form
    83,830.64/115,676.59 = 48,018.52/x
  3. Step 3: Cross multiply
    83,830.64x = 115,676.59 × 48,018.52
  4. Step 4: Simplify right side
    83,830.64x = 5,554,617,831.97
  5. Step 5: Solve for x
    x = 5,554,617,831.97/83,830.64
  6. Step 6: Final answer
    x = 66,260.00

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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.