Home / 89,818.80-134,728.20-56,576.40

Finding the Fourth Proportional to 89,818.80, 134,728.20 and 56,576.40

Calculator

Solution

The fourth proportional to 89,818.80, 134,728.20 and 56,576.40 is: 84,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,818.80 : 134,728.20 = 56,576.40 : x
  2. Step 2: Convert to fraction form
    89,818.80/134,728.20 = 56,576.40/x
  3. Step 3: Cross multiply
    89,818.80x = 134,728.20 × 56,576.40
  4. Step 4: Simplify right side
    89,818.80x = 7,622,436,534.48
  5. Step 5: Solve for x
    x = 7,622,436,534.48/89,818.80
  6. Step 6: Final answer
    x = 84,864.60

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.