Finding the Fourth Proportional to 93,732.60, 129,350.98 and 51,291.13
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Solution
The fourth proportional to 93,732.60, 129,350.98 and 51,291.13 is: 70,781.75
Step by Step Solution
- Step 1: Write the proportion equation
93,732.60 : 129,350.98 = 51,291.13 : x - Step 2: Convert to fraction form
93,732.60/129,350.98 = 51,291.13/x - Step 3: Cross multiply
93,732.60x = 129,350.98 × 51,291.13 - Step 4: Simplify right side
93,732.60x = 6,634,557,284.05 - Step 5: Solve for x
x = 6,634,557,284.05/93,732.60 - Step 6: Final answer
x = 70,781.75
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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.