Finding the Fourth Proportional to 124,652.32, 172,027.20 and 68,068.96
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Solution
The fourth proportional to 124,652.32, 172,027.20 and 68,068.96 is: 93,938.99
Step by Step Solution
- Step 1: Write the proportion equation
124,652.32 : 172,027.20 = 68,068.96 : x - Step 2: Convert to fraction form
124,652.32/172,027.20 = 68,068.96/x - Step 3: Cross multiply
124,652.32x = 172,027.20 × 68,068.96 - Step 4: Simplify right side
124,652.32x = 11,709,712,595.71 - Step 5: Solve for x
x = 11,709,712,595.71/124,652.32 - Step 6: Final answer
x = 93,938.99
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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.