Home / 83,470-115,188.72-45,743.44

Finding the Fourth Proportional to 83,470, 115,188.72 and 45,743.44

Calculator

Solution

The fourth proportional to 83,470, 115,188.72 and 45,743.44 is: 63,126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,470 : 115,188.72 = 45,743.44 : x
  2. Step 2: Convert to fraction form
    83,470/115,188.72 = 45,743.44/x
  3. Step 3: Cross multiply
    83,470x = 115,188.72 × 45,743.44
  4. Step 4: Simplify right side
    83,470x = 5,269,128,302.00
  5. Step 5: Solve for x
    x = 5,269,128,302.00/83,470
  6. Step 6: Final answer
    x = 63,126.01

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.