Finding the Fourth Proportional to 78,681.08, 118,056.50 and 41,232.26
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Solution
The fourth proportional to 78,681.08, 118,056.50 and 41,232.26 is: 61,866.66
Step by Step Solution
- Step 1: Write the proportion equation
78,681.08 : 118,056.50 = 41,232.26 : x - Step 2: Convert to fraction form
78,681.08/118,056.50 = 41,232.26/x - Step 3: Cross multiply
78,681.08x = 118,056.50 × 41,232.26 - Step 4: Simplify right side
78,681.08x = 4,867,735,506.25 - Step 5: Solve for x
x = 4,867,735,506.25/78,681.08 - Step 6: Final answer
x = 61,866.66
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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.