Finding the Fourth Proportional to 124,656.09, 172,023.24 and 70,939.99
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Solution
The fourth proportional to 124,656.09, 172,023.24 and 70,939.99 is: 97,895.95
Step by Step Solution
- Step 1: Write the proportion equation
124,656.09 : 172,023.24 = 70,939.99 : x - Step 2: Convert to fraction form
124,656.09/172,023.24 = 70,939.99/x - Step 3: Cross multiply
124,656.09x = 172,023.24 × 70,939.99 - Step 4: Simplify right side
124,656.09x = 12,203,326,925.37 - Step 5: Solve for x
x = 12,203,326,925.37/124,656.09 - Step 6: Final answer
x = 97,895.95
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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.