Home / 70,177.28-105,307.61-25,835.18

Finding the Fourth Proportional to 70,177.28, 105,307.61 and 25,835.18

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Solution

The fourth proportional to 70,177.28, 105,307.61 and 25,835.18 is: 38,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,177.28 : 105,307.61 = 25,835.18 : x
  2. Step 2: Convert to fraction form
    70,177.28/105,307.61 = 25,835.18/x
  3. Step 3: Cross multiply
    70,177.28x = 105,307.61 × 25,835.18
  4. Step 4: Simplify right side
    70,177.28x = 2,720,640,404.01
  5. Step 5: Solve for x
    x = 2,720,640,404.01/70,177.28
  6. Step 6: Final answer
    x = 38,768.11

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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.