Finding the Fourth Proportional to 93,714.23, 129,329.06 and 53,421.53
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Solution
The fourth proportional to 93,714.23, 129,329.06 and 53,421.53 is: 73,723.65
Step by Step Solution
- Step 1: Write the proportion equation
93,714.23 : 129,329.06 = 53,421.53 : x - Step 2: Convert to fraction form
93,714.23/129,329.06 = 53,421.53/x - Step 3: Cross multiply
93,714.23x = 129,329.06 × 53,421.53 - Step 4: Simplify right side
93,714.23x = 6,908,955,344.91 - Step 5: Solve for x
x = 6,908,955,344.91/93,714.23 - Step 6: Final answer
x = 73,723.65
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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.