Finding the Fourth Proportional to 97,351.12, 134,344.74 and 52,639.12
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Solution
The fourth proportional to 97,351.12, 134,344.74 and 52,639.12 is: 72,642.09
Step by Step Solution
- Step 1: Write the proportion equation
97,351.12 : 134,344.74 = 52,639.12 : x - Step 2: Convert to fraction form
97,351.12/134,344.74 = 52,639.12/x - Step 3: Cross multiply
97,351.12x = 134,344.74 × 52,639.12 - Step 4: Simplify right side
97,351.12x = 7,071,788,890.23 - Step 5: Solve for x
x = 7,071,788,890.23/97,351.12 - Step 6: Final answer
x = 72,642.09
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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.