Home / 72,040.28-99,468.26-46,561.72

Finding the Fourth Proportional to 72,040.28, 99,468.26 and 46,561.72

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Solution

The fourth proportional to 72,040.28, 99,468.26 and 46,561.72 is: 64,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,040.28 : 99,468.26 = 46,561.72 : x
  2. Step 2: Convert to fraction form
    72,040.28/99,468.26 = 46,561.72/x
  3. Step 3: Cross multiply
    72,040.28x = 99,468.26 × 46,561.72
  4. Step 4: Simplify right side
    72,040.28x = 4,631,413,271.01
  5. Step 5: Solve for x
    x = 4,631,413,271.01/72,040.28
  6. Step 6: Final answer
    x = 64,289.22

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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.