Home / 75,283.60-103,889.04-41,290.32

Finding the Fourth Proportional to 75,283.60, 103,889.04 and 41,290.32

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Solution

The fourth proportional to 75,283.60, 103,889.04 and 41,290.32 is: 56,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,283.60 : 103,889.04 = 41,290.32 : x
  2. Step 2: Convert to fraction form
    75,283.60/103,889.04 = 41,290.32/x
  3. Step 3: Cross multiply
    75,283.60x = 103,889.04 × 41,290.32
  4. Step 4: Simplify right side
    75,283.60x = 4,289,611,706.09
  5. Step 5: Solve for x
    x = 4,289,611,706.09/75,283.60
  6. Step 6: Final answer
    x = 56,979.36

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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.