Home / 54,305.02-81,501.54-28,017.28

Finding the Fourth Proportional to 54,305.02, 81,501.54 and 28,017.28

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Solution

The fourth proportional to 54,305.02, 81,501.54 and 28,017.28 is: 42,048.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,305.02 : 81,501.54 = 28,017.28 : x
  2. Step 2: Convert to fraction form
    54,305.02/81,501.54 = 28,017.28/x
  3. Step 3: Cross multiply
    54,305.02x = 81,501.54 × 28,017.28
  4. Step 4: Simplify right side
    54,305.02x = 2,283,451,466.61
  5. Step 5: Solve for x
    x = 2,283,451,466.61/54,305.02
  6. Step 6: Final answer
    x = 42,048.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.