Finding the Fourth Proportional to 70,750.44, 106,089.12 and 20,824.08
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Solution
The fourth proportional to 70,750.44, 106,089.12 and 20,824.08 is: 31,225.37
Step by Step Solution
- Step 1: Write the proportion equation
70,750.44 : 106,089.12 = 20,824.08 : x - Step 2: Convert to fraction form
70,750.44/106,089.12 = 20,824.08/x - Step 3: Cross multiply
70,750.44x = 106,089.12 × 20,824.08 - Step 4: Simplify right side
70,750.44x = 2,209,208,322.01 - Step 5: Solve for x
x = 2,209,208,322.01/70,750.44 - Step 6: Final answer
x = 31,225.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.