Finding the Fourth Proportional to 75,258.84, 112,893.93 and 25,339.08
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Solution
The fourth proportional to 75,258.84, 112,893.93 and 25,339.08 is: 38,010.53
Step by Step Solution
- Step 1: Write the proportion equation
75,258.84 : 112,893.93 = 25,339.08 : x - Step 2: Convert to fraction form
75,258.84/112,893.93 = 25,339.08/x - Step 3: Cross multiply
75,258.84x = 112,893.93 × 25,339.08 - Step 4: Simplify right side
75,258.84x = 2,860,628,323.78 - Step 5: Solve for x
x = 2,860,628,323.78/75,258.84 - Step 6: Final answer
x = 38,010.53
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1.5x scale
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.