Finding the Fourth Proportional to 93,643.22, 129,228.08 and 51,201.72
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Solution
The fourth proportional to 93,643.22, 129,228.08 and 51,201.72 is: 70,658.61
Step by Step Solution
- Step 1: Write the proportion equation
93,643.22 : 129,228.08 = 51,201.72 : x - Step 2: Convert to fraction form
93,643.22/129,228.08 = 51,201.72/x - Step 3: Cross multiply
93,643.22x = 129,228.08 × 51,201.72 - Step 4: Simplify right side
93,643.22x = 6,616,699,712.29 - Step 5: Solve for x
x = 6,616,699,712.29/93,643.22 - Step 6: Final answer
x = 70,658.61
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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.