Finding the Fourth Proportional to 79,875.28, 119,886.48 and 40,459.84
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Solution
The fourth proportional to 79,875.28, 119,886.48 and 40,459.84 is: 60,727.02
Step by Step Solution
- Step 1: Write the proportion equation
79,875.28 : 119,886.48 = 40,459.84 : x - Step 2: Convert to fraction form
79,875.28/119,886.48 = 40,459.84/x - Step 3: Cross multiply
79,875.28x = 119,886.48 × 40,459.84 - Step 4: Simplify right side
79,875.28x = 4,850,587,798.96 - Step 5: Solve for x
x = 4,850,587,798.96/79,875.28 - Step 6: Final answer
x = 60,727.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.