Home / 81,515.96-112,496.66-45,704.24

Finding the Fourth Proportional to 81,515.96, 112,496.66 and 45,704.24

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Solution

The fourth proportional to 81,515.96, 112,496.66 and 45,704.24 is: 63,074.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,515.96 : 112,496.66 = 45,704.24 : x
  2. Step 2: Convert to fraction form
    81,515.96/112,496.66 = 45,704.24/x
  3. Step 3: Cross multiply
    81,515.96x = 112,496.66 × 45,704.24
  4. Step 4: Simplify right side
    81,515.96x = 5,141,574,347.84
  5. Step 5: Solve for x
    x = 5,141,574,347.84/81,515.96
  6. Step 6: Final answer
    x = 63,074.45

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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.