Finding the Fourth Proportional to 124,434.36, 171,715.14 and 70,718.44
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Solution
The fourth proportional to 124,434.36, 171,715.14 and 70,718.44 is: 97,589.02
Step by Step Solution
- Step 1: Write the proportion equation
124,434.36 : 171,715.14 = 70,718.44 : x - Step 2: Convert to fraction form
124,434.36/171,715.14 = 70,718.44/x - Step 3: Cross multiply
124,434.36x = 171,715.14 × 70,718.44 - Step 4: Simplify right side
124,434.36x = 12,143,426,825.18 - Step 5: Solve for x
x = 12,143,426,825.18/124,434.36 - Step 6: Final answer
x = 97,589.02
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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.