Home / 76,728.32-105,848.42-59,615.45

Finding the Fourth Proportional to 76,728.32, 105,848.42 and 59,615.45

Calculator

Solution

The fourth proportional to 76,728.32, 105,848.42 and 59,615.45 is: 82,240.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,728.32 : 105,848.42 = 59,615.45 : x
  2. Step 2: Convert to fraction form
    76,728.32/105,848.42 = 59,615.45/x
  3. Step 3: Cross multiply
    76,728.32x = 105,848.42 × 59,615.45
  4. Step 4: Simplify right side
    76,728.32x = 6,310,201,156.63
  5. Step 5: Solve for x
    x = 6,310,201,156.63/76,728.32
  6. Step 6: Final answer
    x = 82,240.83

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.