Finding the Fourth Proportional to 88,271.70, 132,407.55 and 48,905.70
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Solution
The fourth proportional to 88,271.70, 132,407.55 and 48,905.70 is: 73,358.55
Step by Step Solution
- Step 1: Write the proportion equation
88,271.70 : 132,407.55 = 48,905.70 : x - Step 2: Convert to fraction form
88,271.70/132,407.55 = 48,905.70/x - Step 3: Cross multiply
88,271.70x = 132,407.55 × 48,905.70 - Step 4: Simplify right side
88,271.70x = 6,475,483,918.04 - Step 5: Solve for x
x = 6,475,483,918.04/88,271.70 - Step 6: Final answer
x = 73,358.55
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1.5x scale
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.