Home / 70,870.24-106,318.44-29,320.48

Finding the Fourth Proportional to 70,870.24, 106,318.44 and 29,320.48

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Solution

The fourth proportional to 70,870.24, 106,318.44 and 29,320.48 is: 43,986.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,870.24 : 106,318.44 = 29,320.48 : x
  2. Step 2: Convert to fraction form
    70,870.24/106,318.44 = 29,320.48/x
  3. Step 3: Cross multiply
    70,870.24x = 106,318.44 × 29,320.48
  4. Step 4: Simplify right side
    70,870.24x = 3,117,307,693.65
  5. Step 5: Solve for x
    x = 3,117,307,693.65/70,870.24
  6. Step 6: Final answer
    x = 43,986.13

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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.