Finding the Fourth Proportional to 93,169.84, 139,782.74 and 29,125.40
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Solution
The fourth proportional to 93,169.84, 139,782.74 and 29,125.40 is: 43,696.85
Step by Step Solution
- Step 1: Write the proportion equation
93,169.84 : 139,782.74 = 29,125.40 : x - Step 2: Convert to fraction form
93,169.84/139,782.74 = 29,125.40/x - Step 3: Cross multiply
93,169.84x = 139,782.74 × 29,125.40 - Step 4: Simplify right side
93,169.84x = 4,071,228,069.97 - Step 5: Solve for x
x = 4,071,228,069.97/93,169.84 - Step 6: Final answer
x = 43,696.85
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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.