Finding the Fourth Proportional to 74,990.04, 112,484.76 and 22,399.44
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Solution
The fourth proportional to 74,990.04, 112,484.76 and 22,399.44 is: 33,599.07
Step by Step Solution
- Step 1: Write the proportion equation
74,990.04 : 112,484.76 = 22,399.44 : x - Step 2: Convert to fraction form
74,990.04/112,484.76 = 22,399.44/x - Step 3: Cross multiply
74,990.04x = 112,484.76 × 22,399.44 - Step 4: Simplify right side
74,990.04x = 2,519,595,632.53 - Step 5: Solve for x
x = 2,519,595,632.53/74,990.04 - Step 6: Final answer
x = 33,599.07
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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.