Finding the Fourth Proportional to 93,633.68, 129,214.60 and 53,345.68
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Solution
The fourth proportional to 93,633.68, 129,214.60 and 53,345.68 is: 73,617.11
Step by Step Solution
- Step 1: Write the proportion equation
93,633.68 : 129,214.60 = 53,345.68 : x - Step 2: Convert to fraction form
93,633.68/129,214.60 = 53,345.68/x - Step 3: Cross multiply
93,633.68x = 129,214.60 × 53,345.68 - Step 4: Simplify right side
93,633.68x = 6,893,040,702.93 - Step 5: Solve for x
x = 6,893,040,702.93/93,633.68 - Step 6: Final answer
x = 73,617.11
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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.