Home / 70,436.88-105,645.36-26,056.20

Finding the Fourth Proportional to 70,436.88, 105,645.36 and 26,056.20

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Solution

The fourth proportional to 70,436.88, 105,645.36 and 26,056.20 is: 39,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,436.88 : 105,645.36 = 26,056.20 : x
  2. Step 2: Convert to fraction form
    70,436.88/105,645.36 = 26,056.20/x
  3. Step 3: Cross multiply
    70,436.88x = 105,645.36 × 26,056.20
  4. Step 4: Simplify right side
    70,436.88x = 2,752,716,629.23
  5. Step 5: Solve for x
    x = 2,752,716,629.23/70,436.88
  6. Step 6: Final answer
    x = 39,080.62

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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.