Finding the Fourth Proportional to 97,513.68, 134,569.12 and 52,801.68
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Solution
The fourth proportional to 97,513.68, 134,569.12 and 52,801.68 is: 72,866.45
Step by Step Solution
- Step 1: Write the proportion equation
97,513.68 : 134,569.12 = 52,801.68 : x - Step 2: Convert to fraction form
97,513.68/134,569.12 = 52,801.68/x - Step 3: Cross multiply
97,513.68x = 134,569.12 × 52,801.68 - Step 4: Simplify right side
97,513.68x = 7,105,475,612.12 - Step 5: Solve for x
x = 7,105,475,612.12/97,513.68 - Step 6: Final answer
x = 72,866.45
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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.