Finding the Fourth Proportional to 93,971.24, 129,704.60 and 58,140.08
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Solution
The fourth proportional to 93,971.24, 129,704.60 and 58,140.08 is: 80,248.33
Step by Step Solution
- Step 1: Write the proportion equation
93,971.24 : 129,704.60 = 58,140.08 : x - Step 2: Convert to fraction form
93,971.24/129,704.60 = 58,140.08/x - Step 3: Cross multiply
93,971.24x = 129,704.60 × 58,140.08 - Step 4: Simplify right side
93,971.24x = 7,541,035,529.67 - Step 5: Solve for x
x = 7,541,035,529.67/93,971.24 - Step 6: Final answer
x = 80,248.33
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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.