Finding the Fourth Proportional to 93,693.60, 129,296.12 and 51,251.63
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Solution
The fourth proportional to 93,693.60, 129,296.12 and 51,251.63 is: 70,726.67
Step by Step Solution
- Step 1: Write the proportion equation
93,693.60 : 129,296.12 = 51,251.63 : x - Step 2: Convert to fraction form
93,693.60/129,296.12 = 51,251.63/x - Step 3: Cross multiply
93,693.60x = 129,296.12 × 51,251.63 - Step 4: Simplify right side
93,693.60x = 6,626,635,999.94 - Step 5: Solve for x
x = 6,626,635,999.94/93,693.60 - Step 6: Final answer
x = 70,726.67
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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.