Home / 92,805.25-128,071.34-50,363.79

Finding the Fourth Proportional to 92,805.25, 128,071.34 and 50,363.79

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Solution

The fourth proportional to 92,805.25, 128,071.34 and 50,363.79 is: 69,502.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,805.25 : 128,071.34 = 50,363.79 : x
  2. Step 2: Convert to fraction form
    92,805.25/128,071.34 = 50,363.79/x
  3. Step 3: Cross multiply
    92,805.25x = 128,071.34 × 50,363.79
  4. Step 4: Simplify right side
    92,805.25x = 6,450,158,072.78
  5. Step 5: Solve for x
    x = 6,450,158,072.78/92,805.25
  6. Step 6: Final answer
    x = 69,502.08

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1.5x scale

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.