Finding the Fourth Proportional to 93,802.51, 129,448.89 and 51,364.99
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Solution
The fourth proportional to 93,802.51, 129,448.89 and 51,364.99 is: 70,884.46
Step by Step Solution
- Step 1: Write the proportion equation
93,802.51 : 129,448.89 = 51,364.99 : x - Step 2: Convert to fraction form
93,802.51/129,448.89 = 51,364.99/x - Step 3: Cross multiply
93,802.51x = 129,448.89 × 51,364.99 - Step 4: Simplify right side
93,802.51x = 6,649,140,036.29 - Step 5: Solve for x
x = 6,649,140,036.29/93,802.51 - Step 6: Final answer
x = 70,884.46
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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.