Home / 54,437.40-81,656.10-37,816.20

Finding the Fourth Proportional to 54,437.40, 81,656.10 and 37,816.20

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Solution

The fourth proportional to 54,437.40, 81,656.10 and 37,816.20 is: 56,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,437.40 : 81,656.10 = 37,816.20 : x
  2. Step 2: Convert to fraction form
    54,437.40/81,656.10 = 37,816.20/x
  3. Step 3: Cross multiply
    54,437.40x = 81,656.10 × 37,816.20
  4. Step 4: Simplify right side
    54,437.40x = 3,087,923,408.82
  5. Step 5: Solve for x
    x = 3,087,923,408.82/54,437.40
  6. Step 6: Final answer
    x = 56,724.30

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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.