Finding the Fourth Proportional to 93,785.84, 129,424.19 and 51,344.07
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Solution
The fourth proportional to 93,785.84, 129,424.19 and 51,344.07 is: 70,854.67
Step by Step Solution
- Step 1: Write the proportion equation
93,785.84 : 129,424.19 = 51,344.07 : x - Step 2: Convert to fraction form
93,785.84/129,424.19 = 51,344.07/x - Step 3: Cross multiply
93,785.84x = 129,424.19 × 51,344.07 - Step 4: Simplify right side
93,785.84x = 6,645,164,414.33 - Step 5: Solve for x
x = 6,645,164,414.33/93,785.84 - Step 6: Final answer
x = 70,854.67
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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.