Home / 64,779.49-96,949.77-39,835.34

Finding the Fourth Proportional to 64,779.49, 96,949.77 and 39,835.34

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Solution

The fourth proportional to 64,779.49, 96,949.77 and 39,835.34 is: 59,618.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,779.49 : 96,949.77 = 39,835.34 : x
  2. Step 2: Convert to fraction form
    64,779.49/96,949.77 = 39,835.34/x
  3. Step 3: Cross multiply
    64,779.49x = 96,949.77 × 39,835.34
  4. Step 4: Simplify right side
    64,779.49x = 3,862,026,851.70
  5. Step 5: Solve for x
    x = 3,862,026,851.70/64,779.49
  6. Step 6: Final answer
    x = 59,618.05

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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.