Home / 105,709.06-158,586.92-30,835.07

Finding the Fourth Proportional to 105,709.06, 158,586.92 and 30,835.07

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Solution

The fourth proportional to 105,709.06, 158,586.92 and 30,835.07 is: 46,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,709.06 : 158,586.92 = 30,835.07 : x
  2. Step 2: Convert to fraction form
    105,709.06/158,586.92 = 30,835.07/x
  3. Step 3: Cross multiply
    105,709.06x = 158,586.92 × 30,835.07
  4. Step 4: Simplify right side
    105,709.06x = 4,890,037,832.17
  5. Step 5: Solve for x
    x = 4,890,037,832.17/105,709.06
  6. Step 6: Final answer
    x = 46,259.40

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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.