Home / 64,116.40-96,185.66-28,590.34

Finding the Fourth Proportional to 64,116.40, 96,185.66 and 28,590.34

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Solution

The fourth proportional to 64,116.40, 96,185.66 and 28,590.34 is: 42,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,116.40 : 96,185.66 = 28,590.34 : x
  2. Step 2: Convert to fraction form
    64,116.40/96,185.66 = 28,590.34/x
  3. Step 3: Cross multiply
    64,116.40x = 96,185.66 × 28,590.34
  4. Step 4: Simplify right side
    64,116.40x = 2,749,980,722.52
  5. Step 5: Solve for x
    x = 2,749,980,722.52/64,116.40
  6. Step 6: Final answer
    x = 42,890.44

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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.