Home / 70,903.23-106,343.91-31,453.40

Finding the Fourth Proportional to 70,903.23, 106,343.91 and 31,453.40

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Solution

The fourth proportional to 70,903.23, 106,343.91 and 31,453.40 is: 47,175.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,903.23 : 106,343.91 = 31,453.40 : x
  2. Step 2: Convert to fraction form
    70,903.23/106,343.91 = 31,453.40/x
  3. Step 3: Cross multiply
    70,903.23x = 106,343.91 × 31,453.40
  4. Step 4: Simplify right side
    70,903.23x = 3,344,877,007.07
  5. Step 5: Solve for x
    x = 3,344,877,007.07/70,903.23
  6. Step 6: Final answer
    x = 47,175.24

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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.