Finding the Fourth Proportional to 74,206.13, 110,901.76 and 54,257.63
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Solution
The fourth proportional to 74,206.13, 110,901.76 and 54,257.63 is: 81,088.54
Step by Step Solution
- Step 1: Write the proportion equation
74,206.13 : 110,901.76 = 54,257.63 : x - Step 2: Convert to fraction form
74,206.13/110,901.76 = 54,257.63/x - Step 3: Cross multiply
74,206.13x = 110,901.76 × 54,257.63 - Step 4: Simplify right side
74,206.13x = 6,017,265,970.28 - Step 5: Solve for x
x = 6,017,265,970.28/74,206.13 - Step 6: Final answer
x = 81,088.54
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.