Home / 77,013.03-106,266.69-43,017.33

Finding the Fourth Proportional to 77,013.03, 106,266.69 and 43,017.33

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Solution

The fourth proportional to 77,013.03, 106,266.69 and 43,017.33 is: 59,357.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,013.03 : 106,266.69 = 43,017.33 : x
  2. Step 2: Convert to fraction form
    77,013.03/106,266.69 = 43,017.33/x
  3. Step 3: Cross multiply
    77,013.03x = 106,266.69 × 43,017.33
  4. Step 4: Simplify right side
    77,013.03x = 4,571,309,271.74
  5. Step 5: Solve for x
    x = 4,571,309,271.74/77,013.03
  6. Step 6: Final answer
    x = 59,357.61

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1.5x scale

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.