Home / 70,869.95-106,290.32-31,401.89

Finding the Fourth Proportional to 70,869.95, 106,290.32 and 31,401.89

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Solution

The fourth proportional to 70,869.95, 106,290.32 and 31,401.89 is: 47,096.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,869.95 : 106,290.32 = 31,401.89 : x
  2. Step 2: Convert to fraction form
    70,869.95/106,290.32 = 31,401.89/x
  3. Step 3: Cross multiply
    70,869.95x = 106,290.32 × 31,401.89
  4. Step 4: Simplify right side
    70,869.95x = 3,337,716,248.24
  5. Step 5: Solve for x
    x = 3,337,716,248.24/70,869.95
  6. Step 6: Final answer
    x = 47,096.36

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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.