Finding the Fourth Proportional to 93,952.68, 129,649.80 and 53,658.54
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Solution
The fourth proportional to 93,952.68, 129,649.80 and 53,658.54 is: 74,045.99
Step by Step Solution
- Step 1: Write the proportion equation
93,952.68 : 129,649.80 = 53,658.54 : x - Step 2: Convert to fraction form
93,952.68/129,649.80 = 53,658.54/x - Step 3: Cross multiply
93,952.68x = 129,649.80 × 53,658.54 - Step 4: Simplify right side
93,952.68x = 6,956,818,979.29 - Step 5: Solve for x
x = 6,956,818,979.29/93,952.68 - Step 6: Final answer
x = 74,045.99
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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.