Home / 75,116.47-103,661.95-41,124.38

Finding the Fourth Proportional to 75,116.47, 103,661.95 and 41,124.38

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Solution

The fourth proportional to 75,116.47, 103,661.95 and 41,124.38 is: 56,752.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,116.47 : 103,661.95 = 41,124.38 : x
  2. Step 2: Convert to fraction form
    75,116.47/103,661.95 = 41,124.38/x
  3. Step 3: Cross multiply
    75,116.47x = 103,661.95 × 41,124.38
  4. Step 4: Simplify right side
    75,116.47x = 4,263,033,579.68
  5. Step 5: Solve for x
    x = 4,263,033,579.68/75,116.47
  6. Step 6: Final answer
    x = 56,752.32

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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.