Finding the Fourth Proportional to 91,312.37, 136,968.56 and 24,752.50
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Solution
The fourth proportional to 91,312.37, 136,968.56 and 24,752.50 is: 37,128.75
Step by Step Solution
- Step 1: Write the proportion equation
91,312.37 : 136,968.56 = 24,752.50 : x - Step 2: Convert to fraction form
91,312.37/136,968.56 = 24,752.50/x - Step 3: Cross multiply
91,312.37x = 136,968.56 × 24,752.50 - Step 4: Simplify right side
91,312.37x = 3,390,314,281.40 - Step 5: Solve for x
x = 3,390,314,281.40/91,312.37 - Step 6: Final answer
x = 37,128.75
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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.