Home / 105,201.66-145,165.86-59,873.70

Finding the Fourth Proportional to 105,201.66, 145,165.86 and 59,873.70

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Solution

The fourth proportional to 105,201.66, 145,165.86 and 59,873.70 is: 82,618.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,201.66 : 145,165.86 = 59,873.70 : x
  2. Step 2: Convert to fraction form
    105,201.66/145,165.86 = 59,873.70/x
  3. Step 3: Cross multiply
    105,201.66x = 145,165.86 × 59,873.70
  4. Step 4: Simplify right side
    105,201.66x = 8,691,617,151.88
  5. Step 5: Solve for x
    x = 8,691,617,151.88/105,201.66
  6. Step 6: Final answer
    x = 82,618.63

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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.