Home / 74,626.40-102,984.27-40,634.36

Finding the Fourth Proportional to 74,626.40, 102,984.27 and 40,634.36

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Solution

The fourth proportional to 74,626.40, 102,984.27 and 40,634.36 is: 56,075.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,626.40 : 102,984.27 = 40,634.36 : x
  2. Step 2: Convert to fraction form
    74,626.40/102,984.27 = 40,634.36/x
  3. Step 3: Cross multiply
    74,626.40x = 102,984.27 × 40,634.36
  4. Step 4: Simplify right side
    74,626.40x = 4,184,699,901.52
  5. Step 5: Solve for x
    x = 4,184,699,901.52/74,626.40
  6. Step 6: Final answer
    x = 56,075.33

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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.