Home / 85,682.32-118,241.73-46,919.96

Finding the Fourth Proportional to 85,682.32, 118,241.73 and 46,919.96

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Solution

The fourth proportional to 85,682.32, 118,241.73 and 46,919.96 is: 64,749.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,682.32 : 118,241.73 = 46,919.96 : x
  2. Step 2: Convert to fraction form
    85,682.32/118,241.73 = 46,919.96/x
  3. Step 3: Cross multiply
    85,682.32x = 118,241.73 × 46,919.96
  4. Step 4: Simplify right side
    85,682.32x = 5,547,897,094.13
  5. Step 5: Solve for x
    x = 5,547,897,094.13/85,682.32
  6. Step 6: Final answer
    x = 64,749.62

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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.