Finding the Fourth Proportional to 89,417.98, 134,147.74 and 26,235.55
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Solution
The fourth proportional to 89,417.98, 134,147.74 and 26,235.55 is: 39,359.41
Step by Step Solution
- Step 1: Write the proportion equation
89,417.98 : 134,147.74 = 26,235.55 : x - Step 2: Convert to fraction form
89,417.98/134,147.74 = 26,235.55/x - Step 3: Cross multiply
89,417.98x = 134,147.74 × 26,235.55 - Step 4: Simplify right side
89,417.98x = 3,519,438,938.24 - Step 5: Solve for x
x = 3,519,438,938.24/89,417.98 - Step 6: Final answer
x = 39,359.41
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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.