Finding the Fourth Proportional to 93,703.21, 129,313.48 and 51,261.74
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Solution
The fourth proportional to 93,703.21, 129,313.48 and 51,261.74 is: 70,742.87
Step by Step Solution
- Step 1: Write the proportion equation
93,703.21 : 129,313.48 = 51,261.74 : x - Step 2: Convert to fraction form
93,703.21/129,313.48 = 51,261.74/x - Step 3: Cross multiply
93,703.21x = 129,313.48 × 51,261.74 - Step 4: Simplify right side
93,703.21x = 6,628,834,523.96 - Step 5: Solve for x
x = 6,628,834,523.96/93,703.21 - Step 6: Final answer
x = 70,742.87
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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.