Finding the Fourth Proportional to 80,134.08, 110,611.32 and 56,266.68
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Solution
The fourth proportional to 80,134.08, 110,611.32 and 56,266.68 is: 77,666.48
Step by Step Solution
- Step 1: Write the proportion equation
80,134.08 : 110,611.32 = 56,266.68 : x - Step 2: Convert to fraction form
80,134.08/110,611.32 = 56,266.68/x - Step 3: Cross multiply
80,134.08x = 110,611.32 × 56,266.68 - Step 4: Simplify right side
80,134.08x = 6,223,731,746.82 - Step 5: Solve for x
x = 6,223,731,746.82/80,134.08 - Step 6: Final answer
x = 77,666.48
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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.