Finding the Fourth Proportional to 97,362.11, 134,360.74 and 54,345.71
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Solution
The fourth proportional to 97,362.11, 134,360.74 and 54,345.71 is: 74,997.66
Step by Step Solution
- Step 1: Write the proportion equation
97,362.11 : 134,360.74 = 54,345.71 : x - Step 2: Convert to fraction form
97,362.11/134,360.74 = 54,345.71/x - Step 3: Cross multiply
97,362.11x = 134,360.74 × 54,345.71 - Step 4: Simplify right side
97,362.11x = 7,301,930,215.26 - Step 5: Solve for x
x = 7,301,930,215.26/97,362.11 - Step 6: Final answer
x = 74,997.66
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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.