Finding the Fourth Proportional to 93,773.09, 129,406.95 and 51,331.70
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Solution
The fourth proportional to 93,773.09, 129,406.95 and 51,331.70 is: 70,837.79
Step by Step Solution
- Step 1: Write the proportion equation
93,773.09 : 129,406.95 = 51,331.70 : x - Step 2: Convert to fraction form
93,773.09/129,406.95 = 51,331.70/x - Step 3: Cross multiply
93,773.09x = 129,406.95 × 51,331.70 - Step 4: Simplify right side
93,773.09x = 6,642,678,088.28 - Step 5: Solve for x
x = 6,642,678,088.28/93,773.09 - Step 6: Final answer
x = 70,837.79
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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.