Home / 51,208.80-76,667.40-45,376.80

Finding the Fourth Proportional to 51,208.80, 76,667.40 and 45,376.80

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Solution

The fourth proportional to 51,208.80, 76,667.40 and 45,376.80 is: 67,936.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,208.80 : 76,667.40 = 45,376.80 : x
  2. Step 2: Convert to fraction form
    51,208.80/76,667.40 = 45,376.80/x
  3. Step 3: Cross multiply
    51,208.80x = 76,667.40 × 45,376.80
  4. Step 4: Simplify right side
    51,208.80x = 3,478,921,276.32
  5. Step 5: Solve for x
    x = 3,478,921,276.32/51,208.80
  6. Step 6: Final answer
    x = 67,936.00

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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.