Finding the Fourth Proportional to 86,283.19, 119,073.95 and 48,044.71
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Solution
The fourth proportional to 86,283.19, 119,073.95 and 48,044.71 is: 66,303.45
Step by Step Solution
- Step 1: Write the proportion equation
86,283.19 : 119,073.95 = 48,044.71 : x - Step 2: Convert to fraction form
86,283.19/119,073.95 = 48,044.71/x - Step 3: Cross multiply
86,283.19x = 119,073.95 × 48,044.71 - Step 4: Simplify right side
86,283.19x = 5,720,873,396.30 - Step 5: Solve for x
x = 5,720,873,396.30/86,283.19 - Step 6: Final answer
x = 66,303.45
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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.