Home / 65,749.58-98,595.21-40,788.62

Finding the Fourth Proportional to 65,749.58, 98,595.21 and 40,788.62

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Solution

The fourth proportional to 65,749.58, 98,595.21 and 40,788.62 is: 61,164.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,749.58 : 98,595.21 = 40,788.62 : x
  2. Step 2: Convert to fraction form
    65,749.58/98,595.21 = 40,788.62/x
  3. Step 3: Cross multiply
    65,749.58x = 98,595.21 × 40,788.62
  4. Step 4: Simplify right side
    65,749.58x = 4,021,562,554.51
  5. Step 5: Solve for x
    x = 4,021,562,554.51/65,749.58
  6. Step 6: Final answer
    x = 61,164.84

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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.