Finding the Fourth Proportional to 93,994.60, 129,717.30 and 51,557.08
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Solution
The fourth proportional to 93,994.60, 129,717.30 and 51,557.08 is: 71,151.38
Step by Step Solution
- Step 1: Write the proportion equation
93,994.60 : 129,717.30 = 51,557.08 : x - Step 2: Convert to fraction form
93,994.60/129,717.30 = 51,557.08/x - Step 3: Cross multiply
93,994.60x = 129,717.30 × 51,557.08 - Step 4: Simplify right side
93,994.60x = 6,687,845,213.48 - Step 5: Solve for x
x = 6,687,845,213.48/93,994.60 - Step 6: Final answer
x = 71,151.38
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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.