Home / 117,965.16-176,977.98-39,101.40

Finding the Fourth Proportional to 117,965.16, 176,977.98 and 39,101.40

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Solution

The fourth proportional to 117,965.16, 176,977.98 and 39,101.40 is: 58,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,965.16 : 176,977.98 = 39,101.40 : x
  2. Step 2: Convert to fraction form
    117,965.16/176,977.98 = 39,101.40/x
  3. Step 3: Cross multiply
    117,965.16x = 176,977.98 × 39,101.40
  4. Step 4: Simplify right side
    117,965.16x = 6,920,086,787.17
  5. Step 5: Solve for x
    x = 6,920,086,787.17/117,965.16
  6. Step 6: Final answer
    x = 58,662.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.