Home / 70,133.04-105,121.80-34,995.24

Finding the Fourth Proportional to 70,133.04, 105,121.80 and 34,995.24

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Solution

The fourth proportional to 70,133.04, 105,121.80 and 34,995.24 is: 52,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,133.04 : 105,121.80 = 34,995.24 : x
  2. Step 2: Convert to fraction form
    70,133.04/105,121.80 = 34,995.24/x
  3. Step 3: Cross multiply
    70,133.04x = 105,121.80 × 34,995.24
  4. Step 4: Simplify right side
    70,133.04x = 3,678,762,620.23
  5. Step 5: Solve for x
    x = 3,678,762,620.23/70,133.04
  6. Step 6: Final answer
    x = 52,454.06

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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.