Finding the Fourth Proportional to 93,727.16, 129,346.68 and 53,446.88
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Solution
The fourth proportional to 93,727.16, 129,346.68 and 53,446.88 is: 73,758.52
Step by Step Solution
- Step 1: Write the proportion equation
93,727.16 : 129,346.68 = 53,446.88 : x - Step 2: Convert to fraction form
93,727.16/129,346.68 = 53,446.88/x - Step 3: Cross multiply
93,727.16x = 129,346.68 × 53,446.88 - Step 4: Simplify right side
93,727.16x = 6,913,176,484.36 - Step 5: Solve for x
x = 6,913,176,484.36/93,727.16 - Step 6: Final answer
x = 73,758.52
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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.