Home / 75,365.63-104,004.19-40,910.39

Finding the Fourth Proportional to 75,365.63, 104,004.19 and 40,910.39

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Solution

The fourth proportional to 75,365.63, 104,004.19 and 40,910.39 is: 56,456.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,365.63 : 104,004.19 = 40,910.39 : x
  2. Step 2: Convert to fraction form
    75,365.63/104,004.19 = 40,910.39/x
  3. Step 3: Cross multiply
    75,365.63x = 104,004.19 × 40,910.39
  4. Step 4: Simplify right side
    75,365.63x = 4,254,852,130.65
  5. Step 5: Solve for x
    x = 4,254,852,130.65/75,365.63
  6. Step 6: Final answer
    x = 56,456.14

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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.