Finding the Fourth Proportional to 76,587.95, 105,675.73 and 44,750.70
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Solution
The fourth proportional to 76,587.95, 105,675.73 and 44,750.70 is: 61,746.82
Step by Step Solution
- Step 1: Write the proportion equation
76,587.95 : 105,675.73 = 44,750.70 : x - Step 2: Convert to fraction form
76,587.95/105,675.73 = 44,750.70/x - Step 3: Cross multiply
76,587.95x = 105,675.73 × 44,750.70 - Step 4: Simplify right side
76,587.95x = 4,729,062,778.63 - Step 5: Solve for x
x = 4,729,062,778.63/76,587.95 - Step 6: Final answer
x = 61,746.82
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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.