Home / 76,049.20-104,947.28-43,790.16

Finding the Fourth Proportional to 76,049.20, 104,947.28 and 43,790.16

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Solution

The fourth proportional to 76,049.20, 104,947.28 and 43,790.16 is: 60,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,049.20 : 104,947.28 = 43,790.16 : x
  2. Step 2: Convert to fraction form
    76,049.20/104,947.28 = 43,790.16/x
  3. Step 3: Cross multiply
    76,049.20x = 104,947.28 × 43,790.16
  4. Step 4: Simplify right side
    76,049.20x = 4,595,658,182.76
  5. Step 5: Solve for x
    x = 4,595,658,182.76/76,049.20
  6. Step 6: Final answer
    x = 60,430.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.