Finding the Fourth Proportional to 85,119.73, 117,430.36 and 48,800.95
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Solution
The fourth proportional to 85,119.73, 117,430.36 and 48,800.95 is: 67,325.32
Step by Step Solution
- Step 1: Write the proportion equation
85,119.73 : 117,430.36 = 48,800.95 : x - Step 2: Convert to fraction form
85,119.73/117,430.36 = 48,800.95/x - Step 3: Cross multiply
85,119.73x = 117,430.36 × 48,800.95 - Step 4: Simplify right side
85,119.73x = 5,730,712,711.26 - Step 5: Solve for x
x = 5,730,712,711.26/85,119.73 - Step 6: Final answer
x = 67,325.32
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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.