Finding the Fourth Proportional to 97,733.60, 134,886.84 and 61,926.95
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Solution
The fourth proportional to 97,733.60, 134,886.84 and 61,926.95 is: 85,468.35
Step by Step Solution
- Step 1: Write the proportion equation
97,733.60 : 134,886.84 = 61,926.95 : x - Step 2: Convert to fraction form
97,733.60/134,886.84 = 61,926.95/x - Step 3: Cross multiply
97,733.60x = 134,886.84 × 61,926.95 - Step 4: Simplify right side
97,733.60x = 8,353,129,921.90 - Step 5: Solve for x
x = 8,353,129,921.90/97,733.60 - Step 6: Final answer
x = 85,468.35
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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.