Home / 75,623.63-104,362.43-45,410.22

Finding the Fourth Proportional to 75,623.63, 104,362.43 and 45,410.22

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Solution

The fourth proportional to 75,623.63, 104,362.43 and 45,410.22 is: 62,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,623.63 : 104,362.43 = 45,410.22 : x
  2. Step 2: Convert to fraction form
    75,623.63/104,362.43 = 45,410.22/x
  3. Step 3: Cross multiply
    75,623.63x = 104,362.43 × 45,410.22
  4. Step 4: Simplify right side
    75,623.63x = 4,739,120,678.98
  5. Step 5: Solve for x
    x = 4,739,120,678.98/75,623.63
  6. Step 6: Final answer
    x = 62,667.20

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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.