Finding the Fourth Proportional to 83,594.13, 125,398.48 and 21,264.63
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Solution
The fourth proportional to 83,594.13, 125,398.48 and 21,264.63 is: 31,898.80
Step by Step Solution
- Step 1: Write the proportion equation
83,594.13 : 125,398.48 = 21,264.63 : x - Step 2: Convert to fraction form
83,594.13/125,398.48 = 21,264.63/x - Step 3: Cross multiply
83,594.13x = 125,398.48 × 21,264.63 - Step 4: Simplify right side
83,594.13x = 2,666,552,279.76 - Step 5: Solve for x
x = 2,666,552,279.76/83,594.13 - Step 6: Final answer
x = 31,898.80
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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.