Home / 75,380.65-104,004.06-48,538.69

Finding the Fourth Proportional to 75,380.65, 104,004.06 and 48,538.69

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Solution

The fourth proportional to 75,380.65, 104,004.06 and 48,538.69 is: 66,969.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,380.65 : 104,004.06 = 48,538.69 : x
  2. Step 2: Convert to fraction form
    75,380.65/104,004.06 = 48,538.69/x
  3. Step 3: Cross multiply
    75,380.65x = 104,004.06 × 48,538.69
  4. Step 4: Simplify right side
    75,380.65x = 5,048,220,827.08
  5. Step 5: Solve for x
    x = 5,048,220,827.08/75,380.65
  6. Step 6: Final answer
    x = 66,969.72

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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.