Home / 64,933.70-97,400.55-42,815.30

Finding the Fourth Proportional to 64,933.70, 97,400.55 and 42,815.30

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Solution

The fourth proportional to 64,933.70, 97,400.55 and 42,815.30 is: 64,222.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,933.70 : 97,400.55 = 42,815.30 : x
  2. Step 2: Convert to fraction form
    64,933.70/97,400.55 = 42,815.30/x
  3. Step 3: Cross multiply
    64,933.70x = 97,400.55 × 42,815.30
  4. Step 4: Simplify right side
    64,933.70x = 4,170,233,768.42
  5. Step 5: Solve for x
    x = 4,170,233,768.42/64,933.70
  6. Step 6: Final answer
    x = 64,222.95

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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.