Home / 92,805.90-128,072.48-50,364.42

Finding the Fourth Proportional to 92,805.90, 128,072.48 and 50,364.42

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Solution

The fourth proportional to 92,805.90, 128,072.48 and 50,364.42 is: 69,503.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,805.90 : 128,072.48 = 50,364.42 : x
  2. Step 2: Convert to fraction form
    92,805.90/128,072.48 = 50,364.42/x
  3. Step 3: Cross multiply
    92,805.90x = 128,072.48 × 50,364.42
  4. Step 4: Simplify right side
    92,805.90x = 6,450,296,173.16
  5. Step 5: Solve for x
    x = 6,450,296,173.16/92,805.90
  6. Step 6: Final answer
    x = 69,503.08

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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.