Finding the Fourth Proportional to 93,930.70, 129,637.66 and 58,132.26
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Solution
The fourth proportional to 93,930.70, 129,637.66 and 58,132.26 is: 80,230.75
Step by Step Solution
- Step 1: Write the proportion equation
93,930.70 : 129,637.66 = 58,132.26 : x - Step 2: Convert to fraction form
93,930.70/129,637.66 = 58,132.26/x - Step 3: Cross multiply
93,930.70x = 129,637.66 × 58,132.26 - Step 4: Simplify right side
93,930.70x = 7,536,130,156.91 - Step 5: Solve for x
x = 7,536,130,156.91/93,930.70 - Step 6: Final answer
x = 80,230.75
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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.