Home / 78,963.39-118,527.12-45,748.35

Finding the Fourth Proportional to 78,963.39, 118,527.12 and 45,748.35

Calculator

Solution

The fourth proportional to 78,963.39, 118,527.12 and 45,748.35 is: 68,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,963.39 : 118,527.12 = 45,748.35 : x
  2. Step 2: Convert to fraction form
    78,963.39/118,527.12 = 45,748.35/x
  3. Step 3: Cross multiply
    78,963.39x = 118,527.12 × 45,748.35
  4. Step 4: Simplify right side
    78,963.39x = 5,422,420,170.25
  5. Step 5: Solve for x
    x = 5,422,420,170.25/78,963.39
  6. Step 6: Final answer
    x = 68,670.05

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.