Finding the Fourth Proportional to 79,070.81, 109,106.93 and 47,232.95
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Solution
The fourth proportional to 79,070.81, 109,106.93 and 47,232.95 is: 65,175.02
Step by Step Solution
- Step 1: Write the proportion equation
79,070.81 : 109,106.93 = 47,232.95 : x - Step 2: Convert to fraction form
79,070.81/109,106.93 = 47,232.95/x - Step 3: Cross multiply
79,070.81x = 109,106.93 × 47,232.95 - Step 4: Simplify right side
79,070.81x = 5,153,441,387.64 - Step 5: Solve for x
x = 5,153,441,387.64/79,070.81 - Step 6: Final answer
x = 65,175.02
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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.