Home / 92,975.66-128,305.45-50,533.89

Finding the Fourth Proportional to 92,975.66, 128,305.45 and 50,533.89

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Solution

The fourth proportional to 92,975.66, 128,305.45 and 50,533.89 is: 69,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,975.66 : 128,305.45 = 50,533.89 : x
  2. Step 2: Convert to fraction form
    92,975.66/128,305.45 = 50,533.89/x
  3. Step 3: Cross multiply
    92,975.66x = 128,305.45 × 50,533.89
  4. Step 4: Simplify right side
    92,975.66x = 6,483,773,496.70
  5. Step 5: Solve for x
    x = 6,483,773,496.70/92,975.66
  6. Step 6: Final answer
    x = 69,736.25

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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.