Home / 58,086.80-87,130.20-53,421.20

Finding the Fourth Proportional to 58,086.80, 87,130.20 and 53,421.20

Calculator

Solution

The fourth proportional to 58,086.80, 87,130.20 and 53,421.20 is: 80,131.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,086.80 : 87,130.20 = 53,421.20 : x
  2. Step 2: Convert to fraction form
    58,086.80/87,130.20 = 53,421.20/x
  3. Step 3: Cross multiply
    58,086.80x = 87,130.20 × 53,421.20
  4. Step 4: Simplify right side
    58,086.80x = 4,654,599,840.24
  5. Step 5: Solve for x
    x = 4,654,599,840.24/58,086.80
  6. Step 6: Final answer
    x = 80,131.80

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.