Finding the Fourth Proportional to 93,747.52, 129,371.32 and 51,305.68
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Solution
The fourth proportional to 93,747.52, 129,371.32 and 51,305.68 is: 70,801.70
Step by Step Solution
- Step 1: Write the proportion equation
93,747.52 : 129,371.32 = 51,305.68 : x - Step 2: Convert to fraction form
93,747.52/129,371.32 = 51,305.68/x - Step 3: Cross multiply
93,747.52x = 129,371.32 × 51,305.68 - Step 4: Simplify right side
93,747.52x = 6,637,483,545.10 - Step 5: Solve for x
x = 6,637,483,545.10/93,747.52 - Step 6: Final answer
x = 70,801.70
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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.