Finding the Fourth Proportional to 94,588.88, 130,368.84 and 71,917.52
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Solution
The fourth proportional to 94,588.88, 130,368.84 and 71,917.52 is: 99,121.63
Step by Step Solution
- Step 1: Write the proportion equation
94,588.88 : 130,368.84 = 71,917.52 : x - Step 2: Convert to fraction form
94,588.88/130,368.84 = 71,917.52/x - Step 3: Cross multiply
94,588.88x = 130,368.84 × 71,917.52 - Step 4: Simplify right side
94,588.88x = 9,375,803,658.08 - Step 5: Solve for x
x = 9,375,803,658.08/94,588.88 - Step 6: Final answer
x = 99,121.63
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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.