Home / 78,722.84-118,045.38-34,330.34

Finding the Fourth Proportional to 78,722.84, 118,045.38 and 34,330.34

Calculator

Solution

The fourth proportional to 78,722.84, 118,045.38 and 34,330.34 is: 51,478.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,722.84 : 118,045.38 = 34,330.34 : x
  2. Step 2: Convert to fraction form
    78,722.84/118,045.38 = 34,330.34/x
  3. Step 3: Cross multiply
    78,722.84x = 118,045.38 × 34,330.34
  4. Step 4: Simplify right side
    78,722.84x = 4,052,538,030.83
  5. Step 5: Solve for x
    x = 4,052,538,030.83/78,722.84
  6. Step 6: Final answer
    x = 51,478.55

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.