Home / 105,862.10-158,663.55-46,634.90

Finding the Fourth Proportional to 105,862.10, 158,663.55 and 46,634.90

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Solution

The fourth proportional to 105,862.10, 158,663.55 and 46,634.90 is: 69,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,862.10 : 158,663.55 = 46,634.90 : x
  2. Step 2: Convert to fraction form
    105,862.10/158,663.55 = 46,634.90/x
  3. Step 3: Cross multiply
    105,862.10x = 158,663.55 × 46,634.90
  4. Step 4: Simplify right side
    105,862.10x = 7,399,258,787.90
  5. Step 5: Solve for x
    x = 7,399,258,787.90/105,862.10
  6. Step 6: Final answer
    x = 69,895.26

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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.