Finding the Fourth Proportional to 79,258.77, 118,901.52 and 26,655.75
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Solution
The fourth proportional to 79,258.77, 118,901.52 and 26,655.75 is: 39,988.12
Step by Step Solution
- Step 1: Write the proportion equation
79,258.77 : 118,901.52 = 26,655.75 : x - Step 2: Convert to fraction form
79,258.77/118,901.52 = 26,655.75/x - Step 3: Cross multiply
79,258.77x = 118,901.52 × 26,655.75 - Step 4: Simplify right side
79,258.77x = 3,169,409,191.74 - Step 5: Solve for x
x = 3,169,409,191.74/79,258.77 - Step 6: Final answer
x = 39,988.12
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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.