Finding the Fourth Proportional to 86,693.65, 130,044.97 and 27,533.95
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Solution
The fourth proportional to 86,693.65, 130,044.97 and 27,533.95 is: 41,302.35
Step by Step Solution
- Step 1: Write the proportion equation
86,693.65 : 130,044.97 = 27,533.95 : x - Step 2: Convert to fraction form
86,693.65/130,044.97 = 27,533.95/x - Step 3: Cross multiply
86,693.65x = 130,044.97 × 27,533.95 - Step 4: Simplify right side
86,693.65x = 3,580,651,051.51 - Step 5: Solve for x
x = 3,580,651,051.51/86,693.65 - Step 6: Final answer
x = 41,302.35
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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.