Home / 78,669.57-108,549.03-46,414.36

Finding the Fourth Proportional to 78,669.57, 108,549.03 and 46,414.36

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Solution

The fourth proportional to 78,669.57, 108,549.03 and 46,414.36 is: 64,042.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,669.57 : 108,549.03 = 46,414.36 : x
  2. Step 2: Convert to fraction form
    78,669.57/108,549.03 = 46,414.36/x
  3. Step 3: Cross multiply
    78,669.57x = 108,549.03 × 46,414.36
  4. Step 4: Simplify right side
    78,669.57x = 5,038,233,484.70
  5. Step 5: Solve for x
    x = 5,038,233,484.70/78,669.57
  6. Step 6: Final answer
    x = 64,042.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.