Home / 77,004.64-106,265.26-43,013.60

Finding the Fourth Proportional to 77,004.64, 106,265.26 and 43,013.60

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Solution

The fourth proportional to 77,004.64, 106,265.26 and 43,013.60 is: 59,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,004.64 : 106,265.26 = 43,013.60 : x
  2. Step 2: Convert to fraction form
    77,004.64/106,265.26 = 43,013.60/x
  3. Step 3: Cross multiply
    77,004.64x = 106,265.26 × 43,013.60
  4. Step 4: Simplify right side
    77,004.64x = 4,570,851,387.54
  5. Step 5: Solve for x
    x = 4,570,851,387.54/77,004.64
  6. Step 6: Final answer
    x = 59,358.13

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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.