Finding the Fourth Proportional to 97,348.77, 134,402.12 and 74,644.14
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Solution
The fourth proportional to 97,348.77, 134,402.12 and 74,644.14 is: 103,055.55
Step by Step Solution
- Step 1: Write the proportion equation
97,348.77 : 134,402.12 = 74,644.14 : x - Step 2: Convert to fraction form
97,348.77/134,402.12 = 74,644.14/x - Step 3: Cross multiply
97,348.77x = 134,402.12 × 74,644.14 - Step 4: Simplify right side
97,348.77x = 10,032,331,072.28 - Step 5: Solve for x
x = 10,032,331,072.28/97,348.77 - Step 6: Final answer
x = 103,055.55
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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.