Finding the Fourth Proportional to 93,845.88, 129,508.74 and 51,408.36
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Solution
The fourth proportional to 93,845.88, 129,508.74 and 51,408.36 is: 70,944.32
Step by Step Solution
- Step 1: Write the proportion equation
93,845.88 : 129,508.74 = 51,408.36 : x - Step 2: Convert to fraction form
93,845.88/129,508.74 = 51,408.36/x - Step 3: Cross multiply
93,845.88x = 129,508.74 × 51,408.36 - Step 4: Simplify right side
93,845.88x = 6,657,831,929.07 - Step 5: Solve for x
x = 6,657,831,929.07/93,845.88 - Step 6: Final answer
x = 70,944.32
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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.