Finding the Fourth Proportional to 75,206.70, 112,588.47 and 55,573.02
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Solution
The fourth proportional to 75,206.70, 112,588.47 and 55,573.02 is: 83,195.80
Step by Step Solution
- Step 1: Write the proportion equation
75,206.70 : 112,588.47 = 55,573.02 : x - Step 2: Convert to fraction form
75,206.70/112,588.47 = 55,573.02/x - Step 3: Cross multiply
75,206.70x = 112,588.47 × 55,573.02 - Step 4: Simplify right side
75,206.70x = 6,256,881,295.08 - Step 5: Solve for x
x = 6,256,881,295.08/75,206.70 - Step 6: Final answer
x = 83,195.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.