Home / 64,788.42-97,099.20-31,443.96

Finding the Fourth Proportional to 64,788.42, 97,099.20 and 31,443.96

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Solution

The fourth proportional to 64,788.42, 97,099.20 and 31,443.96 is: 47,125.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,788.42 : 97,099.20 = 31,443.96 : x
  2. Step 2: Convert to fraction form
    64,788.42/97,099.20 = 31,443.96/x
  3. Step 3: Cross multiply
    64,788.42x = 97,099.20 × 31,443.96
  4. Step 4: Simplify right side
    64,788.42x = 3,053,183,360.83
  5. Step 5: Solve for x
    x = 3,053,183,360.83/64,788.42
  6. Step 6: Final answer
    x = 47,125.45

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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.