Finding the Fourth Proportional to 93,750.40, 129,360 and 53,467.08
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Solution
The fourth proportional to 93,750.40, 129,360 and 53,467.08 is: 73,775.70
Step by Step Solution
- Step 1: Write the proportion equation
93,750.40 : 129,360 = 53,467.08 : x - Step 2: Convert to fraction form
93,750.40/129,360 = 53,467.08/x - Step 3: Cross multiply
93,750.40x = 129,360 × 53,467.08 - Step 4: Simplify right side
93,750.40x = 6,916,501,468.80 - Step 5: Solve for x
x = 6,916,501,468.80/93,750.40 - Step 6: Final answer
x = 73,775.70
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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.