Home / 79,190.07-109,240.86-48,965.73

Finding the Fourth Proportional to 79,190.07, 109,240.86 and 48,965.73

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Solution

The fourth proportional to 79,190.07, 109,240.86 and 48,965.73 is: 67,547.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,190.07 : 109,240.86 = 48,965.73 : x
  2. Step 2: Convert to fraction form
    79,190.07/109,240.86 = 48,965.73/x
  3. Step 3: Cross multiply
    79,190.07x = 109,240.86 × 48,965.73
  4. Step 4: Simplify right side
    79,190.07x = 5,349,058,455.73
  5. Step 5: Solve for x
    x = 5,349,058,455.73/79,190.07
  6. Step 6: Final answer
    x = 67,547.09

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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.