Finding the Fourth Proportional to 97,937.88, 135,151.68 and 55,510.08
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Solution
The fourth proportional to 97,937.88, 135,151.68 and 55,510.08 is: 76,602.44
Step by Step Solution
- Step 1: Write the proportion equation
97,937.88 : 135,151.68 = 55,510.08 : x - Step 2: Convert to fraction form
97,937.88/135,151.68 = 55,510.08/x - Step 3: Cross multiply
97,937.88x = 135,151.68 × 55,510.08 - Step 4: Simplify right side
97,937.88x = 7,502,280,568.93 - Step 5: Solve for x
x = 7,502,280,568.93/97,937.88 - Step 6: Final answer
x = 76,602.44
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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.