Finding the Fourth Proportional to 88,324.09, 121,886.06 and 48,036.99
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Solution
The fourth proportional to 88,324.09, 121,886.06 and 48,036.99 is: 66,290.39
Step by Step Solution
- Step 1: Write the proportion equation
88,324.09 : 121,886.06 = 48,036.99 : x - Step 2: Convert to fraction form
88,324.09/121,886.06 = 48,036.99/x - Step 3: Cross multiply
88,324.09x = 121,886.06 × 48,036.99 - Step 4: Simplify right side
88,324.09x = 5,855,038,595.74 - Step 5: Solve for x
x = 5,855,038,595.74/88,324.09 - Step 6: Final answer
x = 66,290.39
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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.