Finding the Fourth Proportional to 93,622.96, 129,246.60 and 63,567.28
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Solution
The fourth proportional to 93,622.96, 129,246.60 and 63,567.28 is: 87,754.70
Step by Step Solution
- Step 1: Write the proportion equation
93,622.96 : 129,246.60 = 63,567.28 : x - Step 2: Convert to fraction form
93,622.96/129,246.60 = 63,567.28/x - Step 3: Cross multiply
93,622.96x = 129,246.60 × 63,567.28 - Step 4: Simplify right side
93,622.96x = 8,215,854,811.25 - Step 5: Solve for x
x = 8,215,854,811.25/93,622.96 - Step 6: Final answer
x = 87,754.70
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1.5x scale
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.