Home / 85,671.74-128,550.80-48,273.50

Finding the Fourth Proportional to 85,671.74, 128,550.80 and 48,273.50

Calculator

Solution

The fourth proportional to 85,671.74, 128,550.80 and 48,273.50 is: 72,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,671.74 : 128,550.80 = 48,273.50 : x
  2. Step 2: Convert to fraction form
    85,671.74/128,550.80 = 48,273.50/x
  3. Step 3: Cross multiply
    85,671.74x = 128,550.80 × 48,273.50
  4. Step 4: Simplify right side
    85,671.74x = 6,205,596,521.73
  5. Step 5: Solve for x
    x = 6,205,596,521.73/85,671.74
  6. Step 6: Final answer
    x = 72,434.58

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.