Home / 105,586.55-158,378.51-25,625.18

Finding the Fourth Proportional to 105,586.55, 158,378.51 and 25,625.18

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Solution

The fourth proportional to 105,586.55, 158,378.51 and 25,625.18 is: 38,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,586.55 : 158,378.51 = 25,625.18 : x
  2. Step 2: Convert to fraction form
    105,586.55/158,378.51 = 25,625.18/x
  3. Step 3: Cross multiply
    105,586.55x = 158,378.51 × 25,625.18
  4. Step 4: Simplify right side
    105,586.55x = 4,058,477,826.88
  5. Step 5: Solve for x
    x = 4,058,477,826.88/105,586.55
  6. Step 6: Final answer
    x = 38,437.45

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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.