Home / 77,967.81-116,964.33-30,557.19

Finding the Fourth Proportional to 77,967.81, 116,964.33 and 30,557.19

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Solution

The fourth proportional to 77,967.81, 116,964.33 and 30,557.19 is: 45,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,967.81 : 116,964.33 = 30,557.19 : x
  2. Step 2: Convert to fraction form
    77,967.81/116,964.33 = 30,557.19/x
  3. Step 3: Cross multiply
    77,967.81x = 116,964.33 × 30,557.19
  4. Step 4: Simplify right side
    77,967.81x = 3,574,101,255.03
  5. Step 5: Solve for x
    x = 3,574,101,255.03/77,967.81
  6. Step 6: Final answer
    x = 45,840.73

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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.