Home / 118,771.04-163,925.16-71,029.64

Finding the Fourth Proportional to 118,771.04, 163,925.16 and 71,029.64

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Solution

The fourth proportional to 118,771.04, 163,925.16 and 71,029.64 is: 98,033.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,771.04 : 163,925.16 = 71,029.64 : x
  2. Step 2: Convert to fraction form
    118,771.04/163,925.16 = 71,029.64/x
  3. Step 3: Cross multiply
    118,771.04x = 163,925.16 × 71,029.64
  4. Step 4: Simplify right side
    118,771.04x = 11,643,545,101.74
  5. Step 5: Solve for x
    x = 11,643,545,101.74/118,771.04
  6. Step 6: Final answer
    x = 98,033.54

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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.