Home / 75,274.52-103,883.76-43,445.60

Finding the Fourth Proportional to 75,274.52, 103,883.76 and 43,445.60

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Solution

The fourth proportional to 75,274.52, 103,883.76 and 43,445.60 is: 59,957.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,274.52 : 103,883.76 = 43,445.60 : x
  2. Step 2: Convert to fraction form
    75,274.52/103,883.76 = 43,445.60/x
  3. Step 3: Cross multiply
    75,274.52x = 103,883.76 × 43,445.60
  4. Step 4: Simplify right side
    75,274.52x = 4,513,292,283.46
  5. Step 5: Solve for x
    x = 4,513,292,283.46/75,274.52
  6. Step 6: Final answer
    x = 59,957.77

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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.