Home / 76,273.40-114,430.01-28,888.80

Finding the Fourth Proportional to 76,273.40, 114,430.01 and 28,888.80

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Solution

The fourth proportional to 76,273.40, 114,430.01 and 28,888.80 is: 43,340.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,273.40 : 114,430.01 = 28,888.80 : x
  2. Step 2: Convert to fraction form
    76,273.40/114,430.01 = 28,888.80/x
  3. Step 3: Cross multiply
    76,273.40x = 114,430.01 × 28,888.80
  4. Step 4: Simplify right side
    76,273.40x = 3,305,745,672.89
  5. Step 5: Solve for x
    x = 3,305,745,672.89/76,273.40
  6. Step 6: Final answer
    x = 43,340.74

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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.