Finding the Fourth Proportional to 75,031.04, 112,547.84 and 19,624.96
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Solution
The fourth proportional to 75,031.04, 112,547.84 and 19,624.96 is: 29,437.77
Step by Step Solution
- Step 1: Write the proportion equation
75,031.04 : 112,547.84 = 19,624.96 : x - Step 2: Convert to fraction form
75,031.04/112,547.84 = 19,624.96/x - Step 3: Cross multiply
75,031.04x = 112,547.84 × 19,624.96 - Step 4: Simplify right side
75,031.04x = 2,208,746,858.09 - Step 5: Solve for x
x = 2,208,746,858.09/75,031.04 - Step 6: Final answer
x = 29,437.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.