Home / 83,686.09-115,486.80-45,960.34

Finding the Fourth Proportional to 83,686.09, 115,486.80 and 45,960.34

Calculator

Solution

The fourth proportional to 83,686.09, 115,486.80 and 45,960.34 is: 63,425.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,686.09 : 115,486.80 = 45,960.34 : x
  2. Step 2: Convert to fraction form
    83,686.09/115,486.80 = 45,960.34/x
  3. Step 3: Cross multiply
    83,686.09x = 115,486.80 × 45,960.34
  4. Step 4: Simplify right side
    83,686.09x = 5,307,812,593.51
  5. Step 5: Solve for x
    x = 5,307,812,593.51/83,686.09
  6. Step 6: Final answer
    x = 63,425.27

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.