Finding the Fourth Proportional to 97,447.84, 134,484.24 and 54,990.88
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Solution
The fourth proportional to 97,447.84, 134,484.24 and 54,990.88 is: 75,890.92
Step by Step Solution
- Step 1: Write the proportion equation
97,447.84 : 134,484.24 = 54,990.88 : x - Step 2: Convert to fraction form
97,447.84/134,484.24 = 54,990.88/x - Step 3: Cross multiply
97,447.84x = 134,484.24 × 54,990.88 - Step 4: Simplify right side
97,447.84x = 7,395,406,703.73 - Step 5: Solve for x
x = 7,395,406,703.73/97,447.84 - Step 6: Final answer
x = 75,890.92
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1.5x scale
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.