Home / 72,475.21-99,923.20-46,936.45

Finding the Fourth Proportional to 72,475.21, 99,923.20 and 46,936.45

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Solution

The fourth proportional to 72,475.21, 99,923.20 and 46,936.45 is: 64,712.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,475.21 : 99,923.20 = 46,936.45 : x
  2. Step 2: Convert to fraction form
    72,475.21/99,923.20 = 46,936.45/x
  3. Step 3: Cross multiply
    72,475.21x = 99,923.20 × 46,936.45
  4. Step 4: Simplify right side
    72,475.21x = 4,690,040,280.64
  5. Step 5: Solve for x
    x = 4,690,040,280.64/72,475.21
  6. Step 6: Final answer
    x = 64,712.34

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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.