Home / 54,860.32-81,808.76-54,361.36

Finding the Fourth Proportional to 54,860.32, 81,808.76 and 54,361.36

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Solution

The fourth proportional to 54,860.32, 81,808.76 and 54,361.36 is: 81,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,860.32 : 81,808.76 = 54,361.36 : x
  2. Step 2: Convert to fraction form
    54,860.32/81,808.76 = 54,361.36/x
  3. Step 3: Cross multiply
    54,860.32x = 81,808.76 × 54,361.36
  4. Step 4: Simplify right side
    54,860.32x = 4,447,235,453.51
  5. Step 5: Solve for x
    x = 4,447,235,453.51/54,860.32
  6. Step 6: Final answer
    x = 81,064.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.