Finding the Fourth Proportional to 76,281.35, 105,246.54 and 44,444.09
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Solution
The fourth proportional to 76,281.35, 105,246.54 and 44,444.09 is: 61,320.20
Step by Step Solution
- Step 1: Write the proportion equation
76,281.35 : 105,246.54 = 44,444.09 : x - Step 2: Convert to fraction form
76,281.35/105,246.54 = 44,444.09/x - Step 3: Cross multiply
76,281.35x = 105,246.54 × 44,444.09 - Step 4: Simplify right side
76,281.35x = 4,677,586,959.06 - Step 5: Solve for x
x = 4,677,586,959.06/76,281.35 - Step 6: Final answer
x = 61,320.20
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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.