Home / 78,686.07-118,063.98-41,237.23

Finding the Fourth Proportional to 78,686.07, 118,063.98 and 41,237.23

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Solution

The fourth proportional to 78,686.07, 118,063.98 and 41,237.23 is: 61,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,686.07 : 118,063.98 = 41,237.23 : x
  2. Step 2: Convert to fraction form
    78,686.07/118,063.98 = 41,237.23/x
  3. Step 3: Cross multiply
    78,686.07x = 118,063.98 × 41,237.23
  4. Step 4: Simplify right side
    78,686.07x = 4,868,631,497.98
  5. Step 5: Solve for x
    x = 4,868,631,497.98/78,686.07
  6. Step 6: Final answer
    x = 61,874.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.