Finding the Fourth Proportional to 93,315.74, 128,674.11 and 63,048.62
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Solution
The fourth proportional to 93,315.74, 128,674.11 and 63,048.62 is: 86,938.44
Step by Step Solution
- Step 1: Write the proportion equation
93,315.74 : 128,674.11 = 63,048.62 : x - Step 2: Convert to fraction form
93,315.74/128,674.11 = 63,048.62/x - Step 3: Cross multiply
93,315.74x = 128,674.11 × 63,048.62 - Step 4: Simplify right side
93,315.74x = 8,112,725,065.23 - Step 5: Solve for x
x = 8,112,725,065.23/93,315.74 - Step 6: Final answer
x = 86,938.44
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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.