Home / 70,132.93-105,200.30-23,385.79

Finding the Fourth Proportional to 70,132.93, 105,200.30 and 23,385.79

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Solution

The fourth proportional to 70,132.93, 105,200.30 and 23,385.79 is: 35,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,132.93 : 105,200.30 = 23,385.79 : x
  2. Step 2: Convert to fraction form
    70,132.93/105,200.30 = 23,385.79/x
  3. Step 3: Cross multiply
    70,132.93x = 105,200.30 × 23,385.79
  4. Step 4: Simplify right side
    70,132.93x = 2,460,192,006.81
  5. Step 5: Solve for x
    x = 2,460,192,006.81/70,132.93
  6. Step 6: Final answer
    x = 35,078.99

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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.