Home / 64,743.08-96,894.72-39,770

Finding the Fourth Proportional to 64,743.08, 96,894.72 and 39,770

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Solution

The fourth proportional to 64,743.08, 96,894.72 and 39,770 is: 59,519.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,743.08 : 96,894.72 = 39,770 : x
  2. Step 2: Convert to fraction form
    64,743.08/96,894.72 = 39,770/x
  3. Step 3: Cross multiply
    64,743.08x = 96,894.72 × 39,770
  4. Step 4: Simplify right side
    64,743.08x = 3,853,503,014.40
  5. Step 5: Solve for x
    x = 3,853,503,014.40/64,743.08
  6. Step 6: Final answer
    x = 59,519.92

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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.