Home / 64,780.08-96,950.64-39,835.92

Finding the Fourth Proportional to 64,780.08, 96,950.64 and 39,835.92

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Solution

The fourth proportional to 64,780.08, 96,950.64 and 39,835.92 is: 59,618.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,780.08 : 96,950.64 = 39,835.92 : x
  2. Step 2: Convert to fraction form
    64,780.08/96,950.64 = 39,835.92/x
  3. Step 3: Cross multiply
    64,780.08x = 96,950.64 × 39,835.92
  4. Step 4: Simplify right side
    64,780.08x = 3,862,117,938.99
  5. Step 5: Solve for x
    x = 3,862,117,938.99/64,780.08
  6. Step 6: Final answer
    x = 59,618.91

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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.