Home / 66,308.82-91,588.37-48,130.51

Finding the Fourth Proportional to 66,308.82, 91,588.37 and 48,130.51

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Solution

The fourth proportional to 66,308.82, 91,588.37 and 48,130.51 is: 66,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,308.82 : 91,588.37 = 48,130.51 : x
  2. Step 2: Convert to fraction form
    66,308.82/91,588.37 = 48,130.51/x
  3. Step 3: Cross multiply
    66,308.82x = 91,588.37 × 48,130.51
  4. Step 4: Simplify right side
    66,308.82x = 4,408,194,958.17
  5. Step 5: Solve for x
    x = 4,408,194,958.17/66,308.82
  6. Step 6: Final answer
    x = 66,479.77

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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.