Finding the Fourth Proportional to 97,776.07, 134,944.64 and 70,639.96
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Solution
The fourth proportional to 97,776.07, 134,944.64 and 70,639.96 is: 97,493.02
Step by Step Solution
- Step 1: Write the proportion equation
97,776.07 : 134,944.64 = 70,639.96 : x - Step 2: Convert to fraction form
97,776.07/134,944.64 = 70,639.96/x - Step 3: Cross multiply
97,776.07x = 134,944.64 × 70,639.96 - Step 4: Simplify right side
97,776.07x = 9,532,483,971.81 - Step 5: Solve for x
x = 9,532,483,971.81/97,776.07 - Step 6: Final answer
x = 97,493.02
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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.