Finding the Fourth Proportional to 79,029.84, 118,413.14 and 55,607.08
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Solution
The fourth proportional to 79,029.84, 118,413.14 and 55,607.08 is: 83,318.01
Step by Step Solution
- Step 1: Write the proportion equation
79,029.84 : 118,413.14 = 55,607.08 : x - Step 2: Convert to fraction form
79,029.84/118,413.14 = 55,607.08/x - Step 3: Cross multiply
79,029.84x = 118,413.14 × 55,607.08 - Step 4: Simplify right side
79,029.84x = 6,584,608,949.03 - Step 5: Solve for x
x = 6,584,608,949.03/79,029.84 - Step 6: Final answer
x = 83,318.01
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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.