Home / 91,125.72-125,747.62-50,290.22

Finding the Fourth Proportional to 91,125.72, 125,747.62 and 50,290.22

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Solution

The fourth proportional to 91,125.72, 125,747.62 and 50,290.22 is: 69,397.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,125.72 : 125,747.62 = 50,290.22 : x
  2. Step 2: Convert to fraction form
    91,125.72/125,747.62 = 50,290.22/x
  3. Step 3: Cross multiply
    91,125.72x = 125,747.62 × 50,290.22
  4. Step 4: Simplify right side
    91,125.72x = 6,323,874,719.81
  5. Step 5: Solve for x
    x = 6,323,874,719.81/91,125.72
  6. Step 6: Final answer
    x = 69,397.25

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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.