Home / 55,770.02-76,961.66-30,619.34

Finding the Fourth Proportional to 55,770.02, 76,961.66 and 30,619.34

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Solution

The fourth proportional to 55,770.02, 76,961.66 and 30,619.34 is: 42,254.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,770.02 : 76,961.66 = 30,619.34 : x
  2. Step 2: Convert to fraction form
    55,770.02/76,961.66 = 30,619.34/x
  3. Step 3: Cross multiply
    55,770.02x = 76,961.66 × 30,619.34
  4. Step 4: Simplify right side
    55,770.02x = 2,356,515,234.50
  5. Step 5: Solve for x
    x = 2,356,515,234.50/55,770.02
  6. Step 6: Final answer
    x = 42,254.16

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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.