Home / 85,387.48-117,834.28-49,586.29

Finding the Fourth Proportional to 85,387.48, 117,834.28 and 49,586.29

Calculator

Solution

The fourth proportional to 85,387.48, 117,834.28 and 49,586.29 is: 68,428.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,387.48 : 117,834.28 = 49,586.29 : x
  2. Step 2: Convert to fraction form
    85,387.48/117,834.28 = 49,586.29/x
  3. Step 3: Cross multiply
    85,387.48x = 117,834.28 × 49,586.29
  4. Step 4: Simplify right side
    85,387.48x = 5,842,964,780.02
  5. Step 5: Solve for x
    x = 5,842,964,780.02/85,387.48
  6. Step 6: Final answer
    x = 68,428.82

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.