Finding the Fourth Proportional to 75,259.84, 112,895.43 and 25,340.08
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Solution
The fourth proportional to 75,259.84, 112,895.43 and 25,340.08 is: 38,012.03
Step by Step Solution
- Step 1: Write the proportion equation
75,259.84 : 112,895.43 = 25,340.08 : x - Step 2: Convert to fraction form
75,259.84/112,895.43 = 25,340.08/x - Step 3: Cross multiply
75,259.84x = 112,895.43 × 25,340.08 - Step 4: Simplify right side
75,259.84x = 2,860,779,227.83 - Step 5: Solve for x
x = 2,860,779,227.83/75,259.84 - Step 6: Final answer
x = 38,012.03
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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.