Home / 55,740.50-76,896.77-33,080.45

Finding the Fourth Proportional to 55,740.50, 76,896.77 and 33,080.45

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Solution

The fourth proportional to 55,740.50, 76,896.77 and 33,080.45 is: 45,636.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,740.50 : 76,896.77 = 33,080.45 : x
  2. Step 2: Convert to fraction form
    55,740.50/76,896.77 = 33,080.45/x
  3. Step 3: Cross multiply
    55,740.50x = 76,896.77 × 33,080.45
  4. Step 4: Simplify right side
    55,740.50x = 2,543,779,755.15
  5. Step 5: Solve for x
    x = 2,543,779,755.15/55,740.50
  6. Step 6: Final answer
    x = 45,636.11

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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.