Finding the Fourth Proportional to 93,703.08, 129,372.66 and 55,475.04
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Solution
The fourth proportional to 93,703.08, 129,372.66 and 55,475.04 is: 76,592.50
Step by Step Solution
- Step 1: Write the proportion equation
93,703.08 : 129,372.66 = 55,475.04 : x - Step 2: Convert to fraction form
93,703.08/129,372.66 = 55,475.04/x - Step 3: Cross multiply
93,703.08x = 129,372.66 × 55,475.04 - Step 4: Simplify right side
93,703.08x = 7,176,953,488.41 - Step 5: Solve for x
x = 7,176,953,488.41/93,703.08 - Step 6: Final answer
x = 76,592.50
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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.