Home / 86,787.52-130,261.48-53,572.48

Finding the Fourth Proportional to 86,787.52, 130,261.48 and 53,572.48

Calculator

Solution

The fourth proportional to 86,787.52, 130,261.48 and 53,572.48 is: 80,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,787.52 : 130,261.48 = 53,572.48 : x
  2. Step 2: Convert to fraction form
    86,787.52/130,261.48 = 53,572.48/x
  3. Step 3: Cross multiply
    86,787.52x = 130,261.48 × 53,572.48
  4. Step 4: Simplify right side
    86,787.52x = 6,978,430,532.07
  5. Step 5: Solve for x
    x = 6,978,430,532.07/86,787.52
  6. Step 6: Final answer
    x = 80,408.23

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.