Home / 81,650.56-112,669.08-45,844.48

Finding the Fourth Proportional to 81,650.56, 112,669.08 and 45,844.48

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Solution

The fourth proportional to 81,650.56, 112,669.08 and 45,844.48 is: 63,260.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,650.56 : 112,669.08 = 45,844.48 : x
  2. Step 2: Convert to fraction form
    81,650.56/112,669.08 = 45,844.48/x
  3. Step 3: Cross multiply
    81,650.56x = 112,669.08 × 45,844.48
  4. Step 4: Simplify right side
    81,650.56x = 5,165,255,384.68
  5. Step 5: Solve for x
    x = 5,165,255,384.68/81,650.56
  6. Step 6: Final answer
    x = 63,260.50

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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.