Finding the Fourth Proportional to 73,881.20, 110,749.80 and 42,258.80
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Solution
The fourth proportional to 73,881.20, 110,749.80 and 42,258.80 is: 63,347.02
Step by Step Solution
- Step 1: Write the proportion equation
73,881.20 : 110,749.80 = 42,258.80 : x - Step 2: Convert to fraction form
73,881.20/110,749.80 = 42,258.80/x - Step 3: Cross multiply
73,881.20x = 110,749.80 × 42,258.80 - Step 4: Simplify right side
73,881.20x = 4,680,153,648.24 - Step 5: Solve for x
x = 4,680,153,648.24/73,881.20 - Step 6: Final answer
x = 63,347.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.