Home / 124,366.37-171,653.29-79,035.50

Finding the Fourth Proportional to 124,366.37, 171,653.29 and 79,035.50

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Solution

The fourth proportional to 124,366.37, 171,653.29 and 79,035.50 is: 109,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,366.37 : 171,653.29 = 79,035.50 : x
  2. Step 2: Convert to fraction form
    124,366.37/171,653.29 = 79,035.50/x
  3. Step 3: Cross multiply
    124,366.37x = 171,653.29 × 79,035.50
  4. Step 4: Simplify right side
    124,366.37x = 13,566,703,833.34
  5. Step 5: Solve for x
    x = 13,566,703,833.34/124,366.37
  6. Step 6: Final answer
    x = 109,086.60

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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.