Finding the Fourth Proportional to 93,869.28, 129,539.52 and 51,427.44
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Solution
The fourth proportional to 93,869.28, 129,539.52 and 51,427.44 is: 70,969.82
Step by Step Solution
- Step 1: Write the proportion equation
93,869.28 : 129,539.52 = 51,427.44 : x - Step 2: Convert to fraction form
93,869.28/129,539.52 = 51,427.44/x - Step 3: Cross multiply
93,869.28x = 129,539.52 × 51,427.44 - Step 4: Simplify right side
93,869.28x = 6,661,885,892.43 - Step 5: Solve for x
x = 6,661,885,892.43/93,869.28 - Step 6: Final answer
x = 70,969.82
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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.