Finding the Fourth Proportional to 93,684.47, 129,281.90 and 51,242.09
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Solution
The fourth proportional to 93,684.47, 129,281.90 and 51,242.09 is: 70,712.62
Step by Step Solution
- Step 1: Write the proportion equation
93,684.47 : 129,281.90 = 51,242.09 : x - Step 2: Convert to fraction form
93,684.47/129,281.90 = 51,242.09/x - Step 3: Cross multiply
93,684.47x = 129,281.90 × 51,242.09 - Step 4: Simplify right side
93,684.47x = 6,624,673,852.55 - Step 5: Solve for x
x = 6,624,673,852.55/93,684.47 - Step 6: Final answer
x = 70,712.62
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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.