Finding the Fourth Proportional to 93,671.80, 129,268.98 and 51,233.06
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Solution
The fourth proportional to 93,671.80, 129,268.98 and 51,233.06 is: 70,702.66
Step by Step Solution
- Step 1: Write the proportion equation
93,671.80 : 129,268.98 = 51,233.06 : x - Step 2: Convert to fraction form
93,671.80/129,268.98 = 51,233.06/x - Step 3: Cross multiply
93,671.80x = 129,268.98 × 51,233.06 - Step 4: Simplify right side
93,671.80x = 6,622,845,408.48 - Step 5: Solve for x
x = 6,622,845,408.48/93,671.80 - Step 6: Final answer
x = 70,702.66
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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.