Finding the Fourth Proportional to 93,642.25, 129,226.35 and 51,201.13
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Solution
The fourth proportional to 93,642.25, 129,226.35 and 51,201.13 is: 70,657.58
Step by Step Solution
- Step 1: Write the proportion equation
93,642.25 : 129,226.35 = 51,201.13 : x - Step 2: Convert to fraction form
93,642.25/129,226.35 = 51,201.13/x - Step 3: Cross multiply
93,642.25x = 129,226.35 × 51,201.13 - Step 4: Simplify right side
93,642.25x = 6,616,535,145.78 - Step 5: Solve for x
x = 6,616,535,145.78/93,642.25 - Step 6: Final answer
x = 70,657.58
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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.