Finding the Fourth Proportional to 97,135.68, 134,051.37 and 54,115.14
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Solution
The fourth proportional to 97,135.68, 134,051.37 and 54,115.14 is: 74,681.20
Step by Step Solution
- Step 1: Write the proportion equation
97,135.68 : 134,051.37 = 54,115.14 : x - Step 2: Convert to fraction form
97,135.68/134,051.37 = 54,115.14/x - Step 3: Cross multiply
97,135.68x = 134,051.37 × 54,115.14 - Step 4: Simplify right side
97,135.68x = 7,254,208,700.71 - Step 5: Solve for x
x = 7,254,208,700.71/97,135.68 - Step 6: Final answer
x = 74,681.20
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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.