Finding the Fourth Proportional to 92,623.19, 138,946.55 and 29,420.76
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Solution
The fourth proportional to 92,623.19, 138,946.55 and 29,420.76 is: 44,134.88
Step by Step Solution
- Step 1: Write the proportion equation
92,623.19 : 138,946.55 = 29,420.76 : x - Step 2: Convert to fraction form
92,623.19/138,946.55 = 29,420.76/x - Step 3: Cross multiply
92,623.19x = 138,946.55 × 29,420.76 - Step 4: Simplify right side
92,623.19x = 4,087,913,173.93 - Step 5: Solve for x
x = 4,087,913,173.93/92,623.19 - Step 6: Final answer
x = 44,134.88
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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.