Finding the Fourth Proportional to 74,655.60, 103,020.84 and 46,360.68
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Solution
The fourth proportional to 74,655.60, 103,020.84 and 46,360.68 is: 63,975.32
Step by Step Solution
- Step 1: Write the proportion equation
74,655.60 : 103,020.84 = 46,360.68 : x - Step 2: Convert to fraction form
74,655.60/103,020.84 = 46,360.68/x - Step 3: Cross multiply
74,655.60x = 103,020.84 × 46,360.68 - Step 4: Simplify right side
74,655.60x = 4,776,116,196.57 - Step 5: Solve for x
x = 4,776,116,196.57/74,655.60 - Step 6: Final answer
x = 63,975.32
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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.