Finding the Fourth Proportional to 97,212.08, 134,143.08 and 54,778.16
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Solution
The fourth proportional to 97,212.08, 134,143.08 and 54,778.16 is: 75,588.46
Step by Step Solution
- Step 1: Write the proportion equation
97,212.08 : 134,143.08 = 54,778.16 : x - Step 2: Convert to fraction form
97,212.08/134,143.08 = 54,778.16/x - Step 3: Cross multiply
97,212.08x = 134,143.08 × 54,778.16 - Step 4: Simplify right side
97,212.08x = 7,348,111,099.13 - Step 5: Solve for x
x = 7,348,111,099.13/97,212.08 - Step 6: Final answer
x = 75,588.46
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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.