Finding the Fourth Proportional to 98,166.52, 135,424.20 and 57,852.82
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Solution
The fourth proportional to 98,166.52, 135,424.20 and 57,852.82 is: 79,810.02
Step by Step Solution
- Step 1: Write the proportion equation
98,166.52 : 135,424.20 = 57,852.82 : x - Step 2: Convert to fraction form
98,166.52/135,424.20 = 57,852.82/x - Step 3: Cross multiply
98,166.52x = 135,424.20 × 57,852.82 - Step 4: Simplify right side
98,166.52x = 7,834,671,866.24 - Step 5: Solve for x
x = 7,834,671,866.24/98,166.52 - Step 6: Final answer
x = 79,810.02
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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.