Finding the Fourth Proportional to 97,572.84, 134,653.18 and 55,130.52
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Solution
The fourth proportional to 97,572.84, 134,653.18 and 55,130.52 is: 76,081.62
Step by Step Solution
- Step 1: Write the proportion equation
97,572.84 : 134,653.18 = 55,130.52 : x - Step 2: Convert to fraction form
97,572.84/134,653.18 = 55,130.52/x - Step 3: Cross multiply
97,572.84x = 134,653.18 × 55,130.52 - Step 4: Simplify right side
97,572.84x = 7,423,499,833.05 - Step 5: Solve for x
x = 7,423,499,833.05/97,572.84 - Step 6: Final answer
x = 76,081.62
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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.