Finding the Fourth Proportional to 77,683.00, 107,210.76 and 47,486.00
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Solution
The fourth proportional to 77,683.00, 107,210.76 and 47,486.00 is: 65,535.70
Step by Step Solution
- Step 1: Write the proportion equation
77,683.00 : 107,210.76 = 47,486.00 : x - Step 2: Convert to fraction form
77,683.00/107,210.76 = 47,486.00/x - Step 3: Cross multiply
77,683.00x = 107,210.76 × 47,486.00 - Step 4: Simplify right side
77,683.00x = 5,091,010,036.92 - Step 5: Solve for x
x = 5,091,010,036.92/77,683.00 - Step 6: Final answer
x = 65,535.70
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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.