Home / 75,039.15-103,550.16-41,041.02

Finding the Fourth Proportional to 75,039.15, 103,550.16 and 41,041.02

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Solution

The fourth proportional to 75,039.15, 103,550.16 and 41,041.02 is: 56,634.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,039.15 : 103,550.16 = 41,041.02 : x
  2. Step 2: Convert to fraction form
    75,039.15/103,550.16 = 41,041.02/x
  3. Step 3: Cross multiply
    75,039.15x = 103,550.16 × 41,041.02
  4. Step 4: Simplify right side
    75,039.15x = 4,249,803,669.81
  5. Step 5: Solve for x
    x = 4,249,803,669.81/75,039.15
  6. Step 6: Final answer
    x = 56,634.49

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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.