Finding the Fourth Proportional to 92,921.92, 139,210.44 and 62,921.68
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Solution
The fourth proportional to 92,921.92, 139,210.44 and 62,921.68 is: 94,265.75
Step by Step Solution
- Step 1: Write the proportion equation
92,921.92 : 139,210.44 = 62,921.68 : x - Step 2: Convert to fraction form
92,921.92/139,210.44 = 62,921.68/x - Step 3: Cross multiply
92,921.92x = 139,210.44 × 62,921.68 - Step 4: Simplify right side
92,921.92x = 8,759,354,758.34 - Step 5: Solve for x
x = 8,759,354,758.34/92,921.92 - Step 6: Final answer
x = 94,265.75
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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.