Home / 70,264.04-105,396.24-28,711.04

Finding the Fourth Proportional to 70,264.04, 105,396.24 and 28,711.04

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Solution

The fourth proportional to 70,264.04, 105,396.24 and 28,711.04 is: 43,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,264.04 : 105,396.24 = 28,711.04 : x
  2. Step 2: Convert to fraction form
    70,264.04/105,396.24 = 28,711.04/x
  3. Step 3: Cross multiply
    70,264.04x = 105,396.24 × 28,711.04
  4. Step 4: Simplify right side
    70,264.04x = 3,026,035,662.49
  5. Step 5: Solve for x
    x = 3,026,035,662.49/70,264.04
  6. Step 6: Final answer
    x = 43,066.63

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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.