Home / 72,935.24-100,629.63-47,479.07

Finding the Fourth Proportional to 72,935.24, 100,629.63 and 47,479.07

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Solution

The fourth proportional to 72,935.24, 100,629.63 and 47,479.07 is: 65,507.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,935.24 : 100,629.63 = 47,479.07 : x
  2. Step 2: Convert to fraction form
    72,935.24/100,629.63 = 47,479.07/x
  3. Step 3: Cross multiply
    72,935.24x = 100,629.63 × 47,479.07
  4. Step 4: Simplify right side
    72,935.24x = 4,777,800,743.70
  5. Step 5: Solve for x
    x = 4,777,800,743.70/72,935.24
  6. Step 6: Final answer
    x = 65,507.44

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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.