Home / 70,816.21-97,720.41-40,594.61

Finding the Fourth Proportional to 70,816.21, 97,720.41 and 40,594.61

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Solution

The fourth proportional to 70,816.21, 97,720.41 and 40,594.61 is: 56,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,816.21 : 97,720.41 = 40,594.61 : x
  2. Step 2: Convert to fraction form
    70,816.21/97,720.41 = 40,594.61/x
  3. Step 3: Cross multiply
    70,816.21x = 97,720.41 × 40,594.61
  4. Step 4: Simplify right side
    70,816.21x = 3,966,921,932.99
  5. Step 5: Solve for x
    x = 3,966,921,932.99/70,816.21
  6. Step 6: Final answer
    x = 56,017.15

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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.