Finding the Fourth Proportional to 93,972.48, 129,683.16 and 51,532.08
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Solution
The fourth proportional to 93,972.48, 129,683.16 and 51,532.08 is: 71,114.89
Step by Step Solution
- Step 1: Write the proportion equation
93,972.48 : 129,683.16 = 51,532.08 : x - Step 2: Convert to fraction form
93,972.48/129,683.16 = 51,532.08/x - Step 3: Cross multiply
93,972.48x = 129,683.16 × 51,532.08 - Step 4: Simplify right side
93,972.48x = 6,682,842,975.77 - Step 5: Solve for x
x = 6,682,842,975.77/93,972.48 - Step 6: Final answer
x = 71,114.89
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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.