Home / 55,647.02-76,819.48-31,769.08

Finding the Fourth Proportional to 55,647.02, 76,819.48 and 31,769.08

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Solution

The fourth proportional to 55,647.02, 76,819.48 and 31,769.08 is: 43,856.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,647.02 : 76,819.48 = 31,769.08 : x
  2. Step 2: Convert to fraction form
    55,647.02/76,819.48 = 31,769.08/x
  3. Step 3: Cross multiply
    55,647.02x = 76,819.48 × 31,769.08
  4. Step 4: Simplify right side
    55,647.02x = 2,440,484,205.68
  5. Step 5: Solve for x
    x = 2,440,484,205.68/55,647.02
  6. Step 6: Final answer
    x = 43,856.51

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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.