Finding the Fourth Proportional to 88,253.96, 121,808.18 and 52,437.08
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Solution
The fourth proportional to 88,253.96, 121,808.18 and 52,437.08 is: 72,373.71
Step by Step Solution
- Step 1: Write the proportion equation
88,253.96 : 121,808.18 = 52,437.08 : x - Step 2: Convert to fraction form
88,253.96/121,808.18 = 52,437.08/x - Step 3: Cross multiply
88,253.96x = 121,808.18 × 52,437.08 - Step 4: Simplify right side
88,253.96x = 6,387,265,714.93 - Step 5: Solve for x
x = 6,387,265,714.93/88,253.96 - Step 6: Final answer
x = 72,373.71
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1.5x scale
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.