Home / 64,805.13-96,965.19-46,128.15

Finding the Fourth Proportional to 64,805.13, 96,965.19 and 46,128.15

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Solution

The fourth proportional to 64,805.13, 96,965.19 and 46,128.15 is: 69,019.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,805.13 : 96,965.19 = 46,128.15 : x
  2. Step 2: Convert to fraction form
    64,805.13/96,965.19 = 46,128.15/x
  3. Step 3: Cross multiply
    64,805.13x = 96,965.19 × 46,128.15
  4. Step 4: Simplify right side
    64,805.13x = 4,472,824,829.10
  5. Step 5: Solve for x
    x = 4,472,824,829.10/64,805.13
  6. Step 6: Final answer
    x = 69,019.61

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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.