Finding the Fourth Proportional to 106,532.12, 159,792.98 and 39,967.06
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Solution
The fourth proportional to 106,532.12, 159,792.98 and 39,967.06 is: 59,948.64
Step by Step Solution
- Step 1: Write the proportion equation
106,532.12 : 159,792.98 = 39,967.06 : x - Step 2: Convert to fraction form
106,532.12/159,792.98 = 39,967.06/x - Step 3: Cross multiply
106,532.12x = 159,792.98 × 39,967.06 - Step 4: Simplify right side
106,532.12x = 6,386,455,619.24 - Step 5: Solve for x
x = 6,386,455,619.24/106,532.12 - Step 6: Final answer
x = 59,948.64
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1.5x scale
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.