Finding the Fourth Proportional to 73,124.08, 109,686.12 and 26,376.95
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Solution
The fourth proportional to 73,124.08, 109,686.12 and 26,376.95 is: 39,565.43
Step by Step Solution
- Step 1: Write the proportion equation
73,124.08 : 109,686.12 = 26,376.95 : x - Step 2: Convert to fraction form
73,124.08/109,686.12 = 26,376.95/x - Step 3: Cross multiply
73,124.08x = 109,686.12 × 26,376.95 - Step 4: Simplify right side
73,124.08x = 2,893,185,478.24 - Step 5: Solve for x
x = 2,893,185,478.24/73,124.08 - Step 6: Final answer
x = 39,565.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.