Finding the Fourth Proportional to 106,970.09, 147,618.74 and 58,575.07
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Solution
The fourth proportional to 106,970.09, 147,618.74 and 58,575.07 is: 80,833.61
Step by Step Solution
- Step 1: Write the proportion equation
106,970.09 : 147,618.74 = 58,575.07 : x - Step 2: Convert to fraction form
106,970.09/147,618.74 = 58,575.07/x - Step 3: Cross multiply
106,970.09x = 147,618.74 × 58,575.07 - Step 4: Simplify right side
106,970.09x = 8,646,778,402.62 - Step 5: Solve for x
x = 8,646,778,402.62/106,970.09 - Step 6: Final answer
x = 80,833.61
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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.