Finding the Fourth Proportional to 110,551.13, 152,561.07 and 62,807.09
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Solution
The fourth proportional to 110,551.13, 152,561.07 and 62,807.09 is: 86,674.08
Step by Step Solution
- Step 1: Write the proportion equation
110,551.13 : 152,561.07 = 62,807.09 : x - Step 2: Convert to fraction form
110,551.13/152,561.07 = 62,807.09/x - Step 3: Cross multiply
110,551.13x = 152,561.07 × 62,807.09 - Step 4: Simplify right side
110,551.13x = 9,581,916,539.95 - Step 5: Solve for x
x = 9,581,916,539.95/110,551.13 - Step 6: Final answer
x = 86,674.08
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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.