Home / 83,530.14-115,271.61-45,805.18

Finding the Fourth Proportional to 83,530.14, 115,271.61 and 45,805.18

Calculator

Solution

The fourth proportional to 83,530.14, 115,271.61 and 45,805.18 is: 63,211.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,530.14 : 115,271.61 = 45,805.18 : x
  2. Step 2: Convert to fraction form
    83,530.14/115,271.61 = 45,805.18/x
  3. Step 3: Cross multiply
    83,530.14x = 115,271.61 × 45,805.18
  4. Step 4: Simplify right side
    83,530.14x = 5,280,036,844.94
  5. Step 5: Solve for x
    x = 5,280,036,844.94/83,530.14
  6. Step 6: Final answer
    x = 63,211.16

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.