Finding the Fourth Proportional to 112,053.25, 154,633.51 and 61,065.99
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Solution
The fourth proportional to 112,053.25, 154,633.51 and 61,065.99 is: 84,271.08
Step by Step Solution
- Step 1: Write the proportion equation
112,053.25 : 154,633.51 = 61,065.99 : x - Step 2: Convert to fraction form
112,053.25/154,633.51 = 61,065.99/x - Step 3: Cross multiply
112,053.25x = 154,633.51 × 61,065.99 - Step 4: Simplify right side
112,053.25x = 9,442,849,031.53 - Step 5: Solve for x
x = 9,442,849,031.53/112,053.25 - Step 6: Final answer
x = 84,271.08
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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.