Home / 71,318.61-106,943.29-35,764.67

Finding the Fourth Proportional to 71,318.61, 106,943.29 and 35,764.67

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Solution

The fourth proportional to 71,318.61, 106,943.29 and 35,764.67 is: 53,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,318.61 : 106,943.29 = 35,764.67 : x
  2. Step 2: Convert to fraction form
    71,318.61/106,943.29 = 35,764.67/x
  3. Step 3: Cross multiply
    71,318.61x = 106,943.29 × 35,764.67
  4. Step 4: Simplify right side
    71,318.61x = 3,824,791,653.51
  5. Step 5: Solve for x
    x = 3,824,791,653.51/71,318.61
  6. Step 6: Final answer
    x = 53,629.64

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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.