Home / 85,828.82-118,441.64-47,588.51

Finding the Fourth Proportional to 85,828.82, 118,441.64 and 47,588.51

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Solution

The fourth proportional to 85,828.82, 118,441.64 and 47,588.51 is: 65,670.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,828.82 : 118,441.64 = 47,588.51 : x
  2. Step 2: Convert to fraction form
    85,828.82/118,441.64 = 47,588.51/x
  3. Step 3: Cross multiply
    85,828.82x = 118,441.64 × 47,588.51
  4. Step 4: Simplify right side
    85,828.82x = 5,636,461,584.63
  5. Step 5: Solve for x
    x = 5,636,461,584.63/85,828.82
  6. Step 6: Final answer
    x = 65,670.97

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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.