Finding the Fourth Proportional to 84,084.06, 125,510.49 and 74,119.98
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Solution
The fourth proportional to 84,084.06, 125,510.49 and 74,119.98 is: 110,637.32
Step by Step Solution
- Step 1: Write the proportion equation
84,084.06 : 125,510.49 = 74,119.98 : x - Step 2: Convert to fraction form
84,084.06/125,510.49 = 74,119.98/x - Step 3: Cross multiply
84,084.06x = 125,510.49 × 74,119.98 - Step 4: Simplify right side
84,084.06x = 9,302,835,008.59 - Step 5: Solve for x
x = 9,302,835,008.59/84,084.06 - Step 6: Final answer
x = 110,637.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.