Home / 46,438.56-69,667.74-13,168.80

Finding the Fourth Proportional to 46,438.56, 69,667.74 and 13,168.80

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Solution

The fourth proportional to 46,438.56, 69,667.74 and 13,168.80 is: 19,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,438.56 : 69,667.74 = 13,168.80 : x
  2. Step 2: Convert to fraction form
    46,438.56/69,667.74 = 13,168.80/x
  3. Step 3: Cross multiply
    46,438.56x = 69,667.74 × 13,168.80
  4. Step 4: Simplify right side
    46,438.56x = 917,440,534.51
  5. Step 5: Solve for x
    x = 917,440,534.51/46,438.56
  6. Step 6: Final answer
    x = 19,756.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.