Home / 71,838.57-99,137.19-41,641.39

Finding the Fourth Proportional to 71,838.57, 99,137.19 and 41,641.39

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Solution

The fourth proportional to 71,838.57, 99,137.19 and 41,641.39 is: 57,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,838.57 : 99,137.19 = 41,641.39 : x
  2. Step 2: Convert to fraction form
    71,838.57/99,137.19 = 41,641.39/x
  3. Step 3: Cross multiply
    71,838.57x = 99,137.19 × 41,641.39
  4. Step 4: Simplify right side
    71,838.57x = 4,128,210,555.25
  5. Step 5: Solve for x
    x = 4,128,210,555.25/71,838.57
  6. Step 6: Final answer
    x = 57,465.10

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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.