Finding the Fourth Proportional to 72,272.53, 108,420.35 and 24,875.96
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Solution
The fourth proportional to 72,272.53, 108,420.35 and 24,875.96 is: 37,317.92
Step by Step Solution
- Step 1: Write the proportion equation
72,272.53 : 108,420.35 = 24,875.96 : x - Step 2: Convert to fraction form
72,272.53/108,420.35 = 24,875.96/x - Step 3: Cross multiply
72,272.53x = 108,420.35 × 24,875.96 - Step 4: Simplify right side
72,272.53x = 2,697,060,303.13 - Step 5: Solve for x
x = 2,697,060,303.13/72,272.53 - Step 6: Final answer
x = 37,317.92
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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.