Home / 91,058.32-125,661.12-50,774.68

Finding the Fourth Proportional to 91,058.32, 125,661.12 and 50,774.68

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Solution

The fourth proportional to 91,058.32, 125,661.12 and 50,774.68 is: 70,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,058.32 : 125,661.12 = 50,774.68 : x
  2. Step 2: Convert to fraction form
    91,058.32/125,661.12 = 50,774.68/x
  3. Step 3: Cross multiply
    91,058.32x = 125,661.12 × 50,774.68
  4. Step 4: Simplify right side
    91,058.32x = 6,380,403,156.44
  5. Step 5: Solve for x
    x = 6,380,403,156.44/91,058.32
  6. Step 6: Final answer
    x = 70,069.41

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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.