Finding the Fourth Proportional to 76,886.06, 106,084.68 and 46,670.63
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Solution
The fourth proportional to 76,886.06, 106,084.68 and 46,670.63 is: 64,394.49
Step by Step Solution
- Step 1: Write the proportion equation
76,886.06 : 106,084.68 = 46,670.63 : x - Step 2: Convert to fraction form
76,886.06/106,084.68 = 46,670.63/x - Step 3: Cross multiply
76,886.06x = 106,084.68 × 46,670.63 - Step 4: Simplify right side
76,886.06x = 4,951,038,848.95 - Step 5: Solve for x
x = 4,951,038,848.95/76,886.06 - Step 6: Final answer
x = 64,394.49
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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.