Finding the Fourth Proportional to 76,507.80, 114,780.14 and 26,580.63
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Solution
The fourth proportional to 76,507.80, 114,780.14 and 26,580.63 is: 39,877.35
Step by Step Solution
- Step 1: Write the proportion equation
76,507.80 : 114,780.14 = 26,580.63 : x - Step 2: Convert to fraction form
76,507.80/114,780.14 = 26,580.63/x - Step 3: Cross multiply
76,507.80x = 114,780.14 × 26,580.63 - Step 4: Simplify right side
76,507.80x = 3,050,927,925.24 - Step 5: Solve for x
x = 3,050,927,925.24/76,507.80 - Step 6: Final answer
x = 39,877.35
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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.