Finding the Fourth Proportional to 93,949.47, 129,649.41 and 51,507.09
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Solution
The fourth proportional to 93,949.47, 129,649.41 and 51,507.09 is: 71,079.31
Step by Step Solution
- Step 1: Write the proportion equation
93,949.47 : 129,649.41 = 51,507.09 : x - Step 2: Convert to fraction form
93,949.47/129,649.41 = 51,507.09/x - Step 3: Cross multiply
93,949.47x = 129,649.41 × 51,507.09 - Step 4: Simplify right side
93,949.47x = 6,677,863,829.32 - Step 5: Solve for x
x = 6,677,863,829.32/93,949.47 - Step 6: Final answer
x = 71,079.31
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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.