Home / 77,217.40-115,826.10-59,699.80

Finding the Fourth Proportional to 77,217.40, 115,826.10 and 59,699.80

Calculator

Solution

The fourth proportional to 77,217.40, 115,826.10 and 59,699.80 is: 89,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,217.40 : 115,826.10 = 59,699.80 : x
  2. Step 2: Convert to fraction form
    77,217.40/115,826.10 = 59,699.80/x
  3. Step 3: Cross multiply
    77,217.40x = 115,826.10 × 59,699.80
  4. Step 4: Simplify right side
    77,217.40x = 6,914,795,004.78
  5. Step 5: Solve for x
    x = 6,914,795,004.78/77,217.40
  6. Step 6: Final answer
    x = 89,549.70

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.