Finding the Fourth Proportional to 93,230.19, 128,657.16 and 50,788.62
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Solution
The fourth proportional to 93,230.19, 128,657.16 and 50,788.62 is: 70,088.02
Step by Step Solution
- Step 1: Write the proportion equation
93,230.19 : 128,657.16 = 50,788.62 : x - Step 2: Convert to fraction form
93,230.19/128,657.16 = 50,788.62/x - Step 3: Cross multiply
93,230.19x = 128,657.16 × 50,788.62 - Step 4: Simplify right side
93,230.19x = 6,534,319,609.52 - Step 5: Solve for x
x = 6,534,319,609.52/93,230.19 - Step 6: Final answer
x = 70,088.02
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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.