Home / 90,984.77-125,562.83-50,698.55

Finding the Fourth Proportional to 90,984.77, 125,562.83 and 50,698.55

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Solution

The fourth proportional to 90,984.77, 125,562.83 and 50,698.55 is: 69,966.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,984.77 : 125,562.83 = 50,698.55 : x
  2. Step 2: Convert to fraction form
    90,984.77/125,562.83 = 50,698.55/x
  3. Step 3: Cross multiply
    90,984.77x = 125,562.83 × 50,698.55
  4. Step 4: Simplify right side
    90,984.77x = 6,365,852,533.59
  5. Step 5: Solve for x
    x = 6,365,852,533.59/90,984.77
  6. Step 6: Final answer
    x = 69,966.14

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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.