Home / 81,361.19-112,282.67-45,549.07

Finding the Fourth Proportional to 81,361.19, 112,282.67 and 45,549.07

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Solution

The fourth proportional to 81,361.19, 112,282.67 and 45,549.07 is: 62,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,361.19 : 112,282.67 = 45,549.07 : x
  2. Step 2: Convert to fraction form
    81,361.19/112,282.67 = 45,549.07/x
  3. Step 3: Cross multiply
    81,361.19x = 112,282.67 × 45,549.07
  4. Step 4: Simplify right side
    81,361.19x = 5,114,370,406.46
  5. Step 5: Solve for x
    x = 5,114,370,406.46/81,361.19
  6. Step 6: Final answer
    x = 62,860.07

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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.