Home / 91,336.47-125,973-58,634.07

Finding the Fourth Proportional to 91,336.47, 125,973 and 58,634.07

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Solution

The fourth proportional to 91,336.47, 125,973 and 58,634.07 is: 80,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,336.47 : 125,973 = 58,634.07 : x
  2. Step 2: Convert to fraction form
    91,336.47/125,973 = 58,634.07/x
  3. Step 3: Cross multiply
    91,336.47x = 125,973 × 58,634.07
  4. Step 4: Simplify right side
    91,336.47x = 7,386,309,700.11
  5. Step 5: Solve for x
    x = 7,386,309,700.11/91,336.47
  6. Step 6: Final answer
    x = 80,869.23

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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.