Home / 81,763.50-112,828.01-45,958.89

Finding the Fourth Proportional to 81,763.50, 112,828.01 and 45,958.89

Calculator

Solution

The fourth proportional to 81,763.50, 112,828.01 and 45,958.89 is: 63,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,763.50 : 112,828.01 = 45,958.89 : x
  2. Step 2: Convert to fraction form
    81,763.50/112,828.01 = 45,958.89/x
  3. Step 3: Cross multiply
    81,763.50x = 112,828.01 × 45,958.89
  4. Step 4: Simplify right side
    81,763.50x = 5,185,450,681.60
  5. Step 5: Solve for x
    x = 5,185,450,681.60/81,763.50
  6. Step 6: Final answer
    x = 63,420.12

Related Problems

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.