Home / 91,636.47-126,458.16-55,826.49

Finding the Fourth Proportional to 91,636.47, 126,458.16 and 55,826.49

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Solution

The fourth proportional to 91,636.47, 126,458.16 and 55,826.49 is: 77,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,636.47 : 126,458.16 = 55,826.49 : x
  2. Step 2: Convert to fraction form
    91,636.47/126,458.16 = 55,826.49/x
  3. Step 3: Cross multiply
    91,636.47x = 126,458.16 × 55,826.49
  4. Step 4: Simplify right side
    91,636.47x = 7,059,715,204.66
  5. Step 5: Solve for x
    x = 7,059,715,204.66/91,636.47
  6. Step 6: Final answer
    x = 77,040.45

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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.