Finding the Fourth Proportional to 89,776.58, 134,623.46 and 26,574.09
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Solution
The fourth proportional to 89,776.58, 134,623.46 and 26,574.09 is: 39,848.88
Step by Step Solution
- Step 1: Write the proportion equation
89,776.58 : 134,623.46 = 26,574.09 : x - Step 2: Convert to fraction form
89,776.58/134,623.46 = 26,574.09/x - Step 3: Cross multiply
89,776.58x = 134,623.46 × 26,574.09 - Step 4: Simplify right side
89,776.58x = 3,577,495,809.28 - Step 5: Solve for x
x = 3,577,495,809.28/89,776.58 - Step 6: Final answer
x = 39,848.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.