Home / 58,346.80-87,520.20-45,905.20

Finding the Fourth Proportional to 58,346.80, 87,520.20 and 45,905.20

Calculator

Solution

The fourth proportional to 58,346.80, 87,520.20 and 45,905.20 is: 68,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,346.80 : 87,520.20 = 45,905.20 : x
  2. Step 2: Convert to fraction form
    58,346.80/87,520.20 = 45,905.20/x
  3. Step 3: Cross multiply
    58,346.80x = 87,520.20 × 45,905.20
  4. Step 4: Simplify right side
    58,346.80x = 4,017,632,285.04
  5. Step 5: Solve for x
    x = 4,017,632,285.04/58,346.80
  6. Step 6: Final answer
    x = 68,857.80

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.