Finding the Fourth Proportional to 93,894.19, 129,574.08 and 51,452.82
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Solution
The fourth proportional to 93,894.19, 129,574.08 and 51,452.82 is: 71,004.95
Step by Step Solution
- Step 1: Write the proportion equation
93,894.19 : 129,574.08 = 51,452.82 : x - Step 2: Convert to fraction form
93,894.19/129,574.08 = 51,452.82/x - Step 3: Cross multiply
93,894.19x = 129,574.08 × 51,452.82 - Step 4: Simplify right side
93,894.19x = 6,666,951,814.91 - Step 5: Solve for x
x = 6,666,951,814.91/93,894.19 - Step 6: Final answer
x = 71,004.95
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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.