Finding the Fourth Proportional to 93,349.44, 139,981.95 and 26,774.28
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Solution
The fourth proportional to 93,349.44, 139,981.95 and 26,774.28 is: 40,149.31
Step by Step Solution
- Step 1: Write the proportion equation
93,349.44 : 139,981.95 = 26,774.28 : x - Step 2: Convert to fraction form
93,349.44/139,981.95 = 26,774.28/x - Step 3: Cross multiply
93,349.44x = 139,981.95 × 26,774.28 - Step 4: Simplify right side
93,349.44x = 3,747,915,924.25 - Step 5: Solve for x
x = 3,747,915,924.25/93,349.44 - Step 6: Final answer
x = 40,149.31
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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.