Home / 70,665.03-97,513.16-40,450.59

Finding the Fourth Proportional to 70,665.03, 97,513.16 and 40,450.59

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Solution

The fourth proportional to 70,665.03, 97,513.16 and 40,450.59 is: 55,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,665.03 : 97,513.16 = 40,450.59 : x
  2. Step 2: Convert to fraction form
    70,665.03/97,513.16 = 40,450.59/x
  3. Step 3: Cross multiply
    70,665.03x = 97,513.16 × 40,450.59
  4. Step 4: Simplify right side
    70,665.03x = 3,944,464,652.51
  5. Step 5: Solve for x
    x = 3,944,464,652.51/70,665.03
  6. Step 6: Final answer
    x = 55,819.19

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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.