Finding the Fourth Proportional to 97,943.53, 134,972.58 and 66,057.07
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Solution
The fourth proportional to 97,943.53, 134,972.58 and 66,057.07 is: 91,030.96
Step by Step Solution
- Step 1: Write the proportion equation
97,943.53 : 134,972.58 = 66,057.07 : x - Step 2: Convert to fraction form
97,943.53/134,972.58 = 66,057.07/x - Step 3: Cross multiply
97,943.53x = 134,972.58 × 66,057.07 - Step 4: Simplify right side
97,943.53x = 8,915,893,165.14 - Step 5: Solve for x
x = 8,915,893,165.14/97,943.53 - Step 6: Final answer
x = 91,030.96
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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.