Home / 105,285.79-158,038.03-60,999.04

Finding the Fourth Proportional to 105,285.79, 158,038.03 and 60,999.04

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Solution

The fourth proportional to 105,285.79, 158,038.03 and 60,999.04 is: 91,561.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,285.79 : 158,038.03 = 60,999.04 : x
  2. Step 2: Convert to fraction form
    105,285.79/158,038.03 = 60,999.04/x
  3. Step 3: Cross multiply
    105,285.79x = 158,038.03 × 60,999.04
  4. Step 4: Simplify right side
    105,285.79x = 9,640,167,323.30
  5. Step 5: Solve for x
    x = 9,640,167,323.30/105,285.79
  6. Step 6: Final answer
    x = 91,561.91

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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.