Home / 75,038.45-103,548.71-41,040.59

Finding the Fourth Proportional to 75,038.45, 103,548.71 and 41,040.59

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Solution

The fourth proportional to 75,038.45, 103,548.71 and 41,040.59 is: 56,633.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,038.45 : 103,548.71 = 41,040.59 : x
  2. Step 2: Convert to fraction form
    75,038.45/103,548.71 = 41,040.59/x
  3. Step 3: Cross multiply
    75,038.45x = 103,548.71 × 41,040.59
  4. Step 4: Simplify right side
    75,038.45x = 4,249,699,946.94
  5. Step 5: Solve for x
    x = 4,249,699,946.94/75,038.45
  6. Step 6: Final answer
    x = 56,633.63

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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.