Finding the Fourth Proportional to 93,178.08, 139,768.32 and 40,585.62
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Solution
The fourth proportional to 93,178.08, 139,768.32 and 40,585.62 is: 60,878.95
Step by Step Solution
- Step 1: Write the proportion equation
93,178.08 : 139,768.32 = 40,585.62 : x - Step 2: Convert to fraction form
93,178.08/139,768.32 = 40,585.62/x - Step 3: Cross multiply
93,178.08x = 139,768.32 × 40,585.62 - Step 4: Simplify right side
93,178.08x = 5,672,583,923.56 - Step 5: Solve for x
x = 5,672,583,923.56/93,178.08 - Step 6: Final answer
x = 60,878.95
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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.