Finding the Fourth Proportional to 97,125.48, 134,023.49 and 71,645.62
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Solution
The fourth proportional to 97,125.48, 134,023.49 and 71,645.62 is: 98,863.82
Step by Step Solution
- Step 1: Write the proportion equation
97,125.48 : 134,023.49 = 71,645.62 : x - Step 2: Convert to fraction form
97,125.48/134,023.49 = 71,645.62/x - Step 3: Cross multiply
97,125.48x = 134,023.49 × 71,645.62 - Step 4: Simplify right side
97,125.48x = 9,602,196,035.61 - Step 5: Solve for x
x = 9,602,196,035.61/97,125.48 - Step 6: Final answer
x = 98,863.82
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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.