Finding the Fourth Proportional to 97,142.88, 134,029.26 and 61,344.48
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Solution
The fourth proportional to 97,142.88, 134,029.26 and 61,344.48 is: 84,637.75
Step by Step Solution
- Step 1: Write the proportion equation
97,142.88 : 134,029.26 = 61,344.48 : x - Step 2: Convert to fraction form
97,142.88/134,029.26 = 61,344.48/x - Step 3: Cross multiply
97,142.88x = 134,029.26 × 61,344.48 - Step 4: Simplify right side
97,142.88x = 8,221,955,259.48 - Step 5: Solve for x
x = 8,221,955,259.48/97,142.88 - Step 6: Final answer
x = 84,637.75
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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.