Finding the Fourth Proportional to 97,454.13, 134,486.76 and 52,742.13
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Solution
The fourth proportional to 97,454.13, 134,486.76 and 52,742.13 is: 72,784.17
Step by Step Solution
- Step 1: Write the proportion equation
97,454.13 : 134,486.76 = 52,742.13 : x - Step 2: Convert to fraction form
97,454.13/134,486.76 = 52,742.13/x - Step 3: Cross multiply
97,454.13x = 134,486.76 × 52,742.13 - Step 4: Simplify right side
97,454.13x = 7,093,118,179.20 - Step 5: Solve for x
x = 7,093,118,179.20/97,454.13 - Step 6: Final answer
x = 72,784.17
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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.