Home / 77,496.27-116,315.69-60,078.03

Finding the Fourth Proportional to 77,496.27, 116,315.69 and 60,078.03

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Solution

The fourth proportional to 77,496.27, 116,315.69 and 60,078.03 is: 90,172.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,496.27 : 116,315.69 = 60,078.03 : x
  2. Step 2: Convert to fraction form
    77,496.27/116,315.69 = 60,078.03/x
  3. Step 3: Cross multiply
    77,496.27x = 116,315.69 × 60,078.03
  4. Step 4: Simplify right side
    77,496.27x = 6,988,017,212.90
  5. Step 5: Solve for x
    x = 6,988,017,212.90/77,496.27
  6. Step 6: Final answer
    x = 90,172.30

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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.