Home / 76,586.04-105,687.72-43,052.04

Finding the Fourth Proportional to 76,586.04, 105,687.72 and 43,052.04

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Solution

The fourth proportional to 76,586.04, 105,687.72 and 43,052.04 is: 59,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,586.04 : 105,687.72 = 43,052.04 : x
  2. Step 2: Convert to fraction form
    76,586.04/105,687.72 = 43,052.04/x
  3. Step 3: Cross multiply
    76,586.04x = 105,687.72 × 43,052.04
  4. Step 4: Simplify right side
    76,586.04x = 4,550,071,948.95
  5. Step 5: Solve for x
    x = 4,550,071,948.95/76,586.04
  6. Step 6: Final answer
    x = 59,411.24

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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.