Finding the Fourth Proportional to 70,900.26, 106,368.84 and 26,530.50
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Solution
The fourth proportional to 70,900.26, 106,368.84 and 26,530.50 is: 39,802.65
Step by Step Solution
- Step 1: Write the proportion equation
70,900.26 : 106,368.84 = 26,530.50 : x - Step 2: Convert to fraction form
70,900.26/106,368.84 = 26,530.50/x - Step 3: Cross multiply
70,900.26x = 106,368.84 × 26,530.50 - Step 4: Simplify right side
70,900.26x = 2,822,018,509.62 - Step 5: Solve for x
x = 2,822,018,509.62/70,900.26 - Step 6: Final answer
x = 39,802.65
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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.