Home / 76,588.02-114,959.79-48,438.90

Finding the Fourth Proportional to 76,588.02, 114,959.79 and 48,438.90

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Solution

The fourth proportional to 76,588.02, 114,959.79 and 48,438.90 is: 72,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,588.02 : 114,959.79 = 48,438.90 : x
  2. Step 2: Convert to fraction form
    76,588.02/114,959.79 = 48,438.90/x
  3. Step 3: Cross multiply
    76,588.02x = 114,959.79 × 48,438.90
  4. Step 4: Simplify right side
    76,588.02x = 5,568,525,771.83
  5. Step 5: Solve for x
    x = 5,568,525,771.83/76,588.02
  6. Step 6: Final answer
    x = 72,707.53

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1.5x scale

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.