Finding the Fourth Proportional to 93,785.49, 129,423.11 and 51,343.65
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Solution
The fourth proportional to 93,785.49, 129,423.11 and 51,343.65 is: 70,853.76
Step by Step Solution
- Step 1: Write the proportion equation
93,785.49 : 129,423.11 = 51,343.65 : x - Step 2: Convert to fraction form
93,785.49/129,423.11 = 51,343.65/x - Step 3: Cross multiply
93,785.49x = 129,423.11 × 51,343.65 - Step 4: Simplify right side
93,785.49x = 6,645,054,605.03 - Step 5: Solve for x
x = 6,645,054,605.03/93,785.49 - Step 6: Final answer
x = 70,853.76
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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.