Finding the Fourth Proportional to 97,653.99, 134,766.14 and 55,209.99
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Solution
The fourth proportional to 97,653.99, 134,766.14 and 55,209.99 is: 76,191.84
Step by Step Solution
- Step 1: Write the proportion equation
97,653.99 : 134,766.14 = 55,209.99 : x - Step 2: Convert to fraction form
97,653.99/134,766.14 = 55,209.99/x - Step 3: Cross multiply
97,653.99x = 134,766.14 × 55,209.99 - Step 4: Simplify right side
97,653.99x = 7,440,436,965.69 - Step 5: Solve for x
x = 7,440,436,965.69/97,653.99 - Step 6: Final answer
x = 76,191.84
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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.