Home / 55,728.13-76,893.45-33,057.19

Finding the Fourth Proportional to 55,728.13, 76,893.45 and 33,057.19

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Solution

The fourth proportional to 55,728.13, 76,893.45 and 33,057.19 is: 45,612.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,728.13 : 76,893.45 = 33,057.19 : x
  2. Step 2: Convert to fraction form
    55,728.13/76,893.45 = 33,057.19/x
  3. Step 3: Cross multiply
    55,728.13x = 76,893.45 × 33,057.19
  4. Step 4: Simplify right side
    55,728.13x = 2,541,881,386.41
  5. Step 5: Solve for x
    x = 2,541,881,386.41/55,728.13
  6. Step 6: Final answer
    x = 45,612.18

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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.