Finding the Fourth Proportional to 97,887.04, 135,084.48 and 55,453.44
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Solution
The fourth proportional to 97,887.04, 135,084.48 and 55,453.44 is: 76,525.95
Step by Step Solution
- Step 1: Write the proportion equation
97,887.04 : 135,084.48 = 55,453.44 : x - Step 2: Convert to fraction form
97,887.04/135,084.48 = 55,453.44/x - Step 3: Cross multiply
97,887.04x = 135,084.48 × 55,453.44 - Step 4: Simplify right side
97,887.04x = 7,490,899,106.61 - Step 5: Solve for x
x = 7,490,899,106.61/97,887.04 - Step 6: Final answer
x = 76,525.95
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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.