Finding the Fourth Proportional to 93,573.20, 129,131.91 and 51,132.63
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Solution
The fourth proportional to 93,573.20, 129,131.91 and 51,132.63 is: 70,563.52
Step by Step Solution
- Step 1: Write the proportion equation
93,573.20 : 129,131.91 = 51,132.63 : x - Step 2: Convert to fraction form
93,573.20/129,131.91 = 51,132.63/x - Step 3: Cross multiply
93,573.20x = 129,131.91 × 51,132.63 - Step 4: Simplify right side
93,573.20x = 6,602,854,175.22 - Step 5: Solve for x
x = 6,602,854,175.22/93,573.20 - Step 6: Final answer
x = 70,563.52
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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.