Finding the Fourth Proportional to 93,785.76, 129,427.65 and 51,344.19
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Solution
The fourth proportional to 93,785.76, 129,427.65 and 51,344.19 is: 70,856.79
Step by Step Solution
- Step 1: Write the proportion equation
93,785.76 : 129,427.65 = 51,344.19 : x - Step 2: Convert to fraction form
93,785.76/129,427.65 = 51,344.19/x - Step 3: Cross multiply
93,785.76x = 129,427.65 × 51,344.19 - Step 4: Simplify right side
93,785.76x = 6,645,357,852.85 - Step 5: Solve for x
x = 6,645,357,852.85/93,785.76 - Step 6: Final answer
x = 70,856.79
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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.