Home / 83,830.14-115,675.90-48,018.02

Finding the Fourth Proportional to 83,830.14, 115,675.90 and 48,018.02

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Solution

The fourth proportional to 83,830.14, 115,675.90 and 48,018.02 is: 66,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,830.14 : 115,675.90 = 48,018.02 : x
  2. Step 2: Convert to fraction form
    83,830.14/115,675.90 = 48,018.02/x
  3. Step 3: Cross multiply
    83,830.14x = 115,675.90 × 48,018.02
  4. Step 4: Simplify right side
    83,830.14x = 5,554,526,981.29
  5. Step 5: Solve for x
    x = 5,554,526,981.29/83,830.14
  6. Step 6: Final answer
    x = 66,259.31

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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.