Finding the Fourth Proportional to 97,772.20, 134,925.48 and 53,060.20
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Solution
The fourth proportional to 97,772.20, 134,925.48 and 53,060.20 is: 73,222.99
Step by Step Solution
- Step 1: Write the proportion equation
97,772.20 : 134,925.48 = 53,060.20 : x - Step 2: Convert to fraction form
97,772.20/134,925.48 = 53,060.20/x - Step 3: Cross multiply
97,772.20x = 134,925.48 × 53,060.20 - Step 4: Simplify right side
97,772.20x = 7,159,172,953.90 - Step 5: Solve for x
x = 7,159,172,953.90/97,772.20 - Step 6: Final answer
x = 73,222.99
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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.