Finding the Fourth Proportional to 69,068.24, 103,526.36 and 39,421.36
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Solution
The fourth proportional to 69,068.24, 103,526.36 and 39,421.36 is: 59,088.66
Step by Step Solution
- Step 1: Write the proportion equation
69,068.24 : 103,526.36 = 39,421.36 : x - Step 2: Convert to fraction form
69,068.24/103,526.36 = 39,421.36/x - Step 3: Cross multiply
69,068.24x = 103,526.36 × 39,421.36 - Step 4: Simplify right side
69,068.24x = 4,081,149,907.05 - Step 5: Solve for x
x = 4,081,149,907.05/69,068.24 - Step 6: Final answer
x = 59,088.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.