Finding the Fourth Proportional to 77,197.02, 106,524.36 and 43,203.48
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Solution
The fourth proportional to 77,197.02, 106,524.36 and 43,203.48 is: 59,616.59
Step by Step Solution
- Step 1: Write the proportion equation
77,197.02 : 106,524.36 = 43,203.48 : x - Step 2: Convert to fraction form
77,197.02/106,524.36 = 43,203.48/x - Step 3: Cross multiply
77,197.02x = 106,524.36 × 43,203.48 - Step 4: Simplify right side
77,197.02x = 4,602,223,056.77 - Step 5: Solve for x
x = 4,602,223,056.77/77,197.02 - Step 6: Final answer
x = 59,616.59
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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.