Finding the Fourth Proportional to 101,461.23, 140,043.08 and 58,445.67
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Solution
The fourth proportional to 101,461.23, 140,043.08 and 58,445.67 is: 80,670.33
Step by Step Solution
- Step 1: Write the proportion equation
101,461.23 : 140,043.08 = 58,445.67 : x - Step 2: Convert to fraction form
101,461.23/140,043.08 = 58,445.67/x - Step 3: Cross multiply
101,461.23x = 140,043.08 × 58,445.67 - Step 4: Simplify right side
101,461.23x = 8,184,911,347.24 - Step 5: Solve for x
x = 8,184,911,347.24/101,461.23 - Step 6: Final answer
x = 80,670.33
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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.