Finding the Fourth Proportional to 96,477.08, 133,138.08 and 55,641.03
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Solution
The fourth proportional to 96,477.08, 133,138.08 and 55,641.03 is: 76,784.45
Step by Step Solution
- Step 1: Write the proportion equation
96,477.08 : 133,138.08 = 55,641.03 : x - Step 2: Convert to fraction form
96,477.08/133,138.08 = 55,641.03/x - Step 3: Cross multiply
96,477.08x = 133,138.08 × 55,641.03 - Step 4: Simplify right side
96,477.08x = 7,407,939,404.15 - Step 5: Solve for x
x = 7,407,939,404.15/96,477.08 - Step 6: Final answer
x = 76,784.45
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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.