Finding the Fourth Proportional to 112,340.08, 155,029.20 and 62,038.96
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Solution
The fourth proportional to 112,340.08, 155,029.20 and 62,038.96 is: 85,613.70
Step by Step Solution
- Step 1: Write the proportion equation
112,340.08 : 155,029.20 = 62,038.96 : x - Step 2: Convert to fraction form
112,340.08/155,029.20 = 62,038.96/x - Step 3: Cross multiply
112,340.08x = 155,029.20 × 62,038.96 - Step 4: Simplify right side
112,340.08x = 9,617,850,337.63 - Step 5: Solve for x
x = 9,617,850,337.63/112,340.08 - Step 6: Final answer
x = 85,613.70
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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.