Home / 83,696.04-115,503.30-45,973.80

Finding the Fourth Proportional to 83,696.04, 115,503.30 and 45,973.80

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Solution

The fourth proportional to 83,696.04, 115,503.30 and 45,973.80 is: 63,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,696.04 : 115,503.30 = 45,973.80 : x
  2. Step 2: Convert to fraction form
    83,696.04/115,503.30 = 45,973.80/x
  3. Step 3: Cross multiply
    83,696.04x = 115,503.30 × 45,973.80
  4. Step 4: Simplify right side
    83,696.04x = 5,310,125,613.54
  5. Step 5: Solve for x
    x = 5,310,125,613.54/83,696.04
  6. Step 6: Final answer
    x = 63,445.36

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1.5x scale

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.