Home / 88,021-121,466.83-50,292.82

Finding the Fourth Proportional to 88,021, 121,466.83 and 50,292.82

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Solution

The fourth proportional to 88,021, 121,466.83 and 50,292.82 is: 69,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,021 : 121,466.83 = 50,292.82 : x
  2. Step 2: Convert to fraction form
    88,021/121,466.83 = 50,292.82/x
  3. Step 3: Cross multiply
    88,021x = 121,466.83 × 50,292.82
  4. Step 4: Simplify right side
    88,021x = 6,108,909,417.16
  5. Step 5: Solve for x
    x = 6,108,909,417.16/88,021
  6. Step 6: Final answer
    x = 69,402.86

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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.