Finding the Fourth Proportional to 97,573.84, 134,654.56 and 55,131.52
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Solution
The fourth proportional to 97,573.84, 134,654.56 and 55,131.52 is: 76,083.00
Step by Step Solution
- Step 1: Write the proportion equation
97,573.84 : 134,654.56 = 55,131.52 : x - Step 2: Convert to fraction form
97,573.84/134,654.56 = 55,131.52/x - Step 3: Cross multiply
97,573.84x = 134,654.56 × 55,131.52 - Step 4: Simplify right side
97,573.84x = 7,423,710,567.73 - Step 5: Solve for x
x = 7,423,710,567.73/97,573.84 - Step 6: Final answer
x = 76,083.00
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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.