Finding the Fourth Proportional to 79,943.08, 110,301.54 and 58,684.84
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Solution
The fourth proportional to 79,943.08, 110,301.54 and 58,684.84 is: 80,970.46
Step by Step Solution
- Step 1: Write the proportion equation
79,943.08 : 110,301.54 = 58,684.84 : x - Step 2: Convert to fraction form
79,943.08/110,301.54 = 58,684.84/x - Step 3: Cross multiply
79,943.08x = 110,301.54 × 58,684.84 - Step 4: Simplify right side
79,943.08x = 6,473,028,226.65 - Step 5: Solve for x
x = 6,473,028,226.65/79,943.08 - Step 6: Final answer
x = 80,970.46
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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.