Finding the Fourth Proportional to 84,055.74, 115,959.51 and 48,237.18
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Solution
The fourth proportional to 84,055.74, 115,959.51 and 48,237.18 is: 66,545.84
Step by Step Solution
- Step 1: Write the proportion equation
84,055.74 : 115,959.51 = 48,237.18 : x - Step 2: Convert to fraction form
84,055.74/115,959.51 = 48,237.18/x - Step 3: Cross multiply
84,055.74x = 115,959.51 × 48,237.18 - Step 4: Simplify right side
84,055.74x = 5,593,559,756.58 - Step 5: Solve for x
x = 5,593,559,756.58/84,055.74 - Step 6: Final answer
x = 66,545.84
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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.