Finding the Fourth Proportional to 93,637.75, 129,220.14 and 51,196.63
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Solution
The fourth proportional to 93,637.75, 129,220.14 and 51,196.63 is: 70,651.37
Step by Step Solution
- Step 1: Write the proportion equation
93,637.75 : 129,220.14 = 51,196.63 : x - Step 2: Convert to fraction form
93,637.75/129,220.14 = 51,196.63/x - Step 3: Cross multiply
93,637.75x = 129,220.14 × 51,196.63 - Step 4: Simplify right side
93,637.75x = 6,615,635,696.13 - Step 5: Solve for x
x = 6,615,635,696.13/93,637.75 - Step 6: Final answer
x = 70,651.37
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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.