Finding the Fourth Proportional to 97,456.21, 134,494.98 and 68,785.05
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Solution
The fourth proportional to 97,456.21, 134,494.98 and 68,785.05 is: 94,927.19
Step by Step Solution
- Step 1: Write the proportion equation
97,456.21 : 134,494.98 = 68,785.05 : x - Step 2: Convert to fraction form
97,456.21/134,494.98 = 68,785.05/x - Step 3: Cross multiply
97,456.21x = 134,494.98 × 68,785.05 - Step 4: Simplify right side
97,456.21x = 9,251,243,924.05 - Step 5: Solve for x
x = 9,251,243,924.05/97,456.21 - Step 6: Final answer
x = 94,927.19
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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.