Home / 118,564.80-163,622.22-67,582.28

Finding the Fourth Proportional to 118,564.80, 163,622.22 and 67,582.28

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Solution

The fourth proportional to 118,564.80, 163,622.22 and 67,582.28 is: 93,265.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,564.80 : 163,622.22 = 67,582.28 : x
  2. Step 2: Convert to fraction form
    118,564.80/163,622.22 = 67,582.28/x
  3. Step 3: Cross multiply
    118,564.80x = 163,622.22 × 67,582.28
  4. Step 4: Simplify right side
    118,564.80x = 11,057,961,868.15
  5. Step 5: Solve for x
    x = 11,057,961,868.15/118,564.80
  6. Step 6: Final answer
    x = 93,265.13

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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.