Home / 65,780.70-98,573.85-55,866.30

Finding the Fourth Proportional to 65,780.70, 98,573.85 and 55,866.30

Calculator

Solution

The fourth proportional to 65,780.70, 98,573.85 and 55,866.30 is: 83,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,780.70 : 98,573.85 = 55,866.30 : x
  2. Step 2: Convert to fraction form
    65,780.70/98,573.85 = 55,866.30/x
  3. Step 3: Cross multiply
    65,780.70x = 98,573.85 × 55,866.30
  4. Step 4: Simplify right side
    65,780.70x = 5,506,956,276.26
  5. Step 5: Solve for x
    x = 5,506,956,276.26/65,780.70
  6. Step 6: Final answer
    x = 83,716.90

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.