Home / 70,264.51-105,438.29-25,922.41

Finding the Fourth Proportional to 70,264.51, 105,438.29 and 25,922.41

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Solution

The fourth proportional to 70,264.51, 105,438.29 and 25,922.41 is: 38,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,264.51 : 105,438.29 = 25,922.41 : x
  2. Step 2: Convert to fraction form
    70,264.51/105,438.29 = 25,922.41/x
  3. Step 3: Cross multiply
    70,264.51x = 105,438.29 × 25,922.41
  4. Step 4: Simplify right side
    70,264.51x = 2,733,214,189.87
  5. Step 5: Solve for x
    x = 2,733,214,189.87/70,264.51
  6. Step 6: Final answer
    x = 38,898.93

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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.