Finding the Fourth Proportional to 77,261.46, 115,681.41 and 58,484.70
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Solution
The fourth proportional to 77,261.46, 115,681.41 and 58,484.70 is: 87,567.50
Step by Step Solution
- Step 1: Write the proportion equation
77,261.46 : 115,681.41 = 58,484.70 : x - Step 2: Convert to fraction form
77,261.46/115,681.41 = 58,484.70/x - Step 3: Cross multiply
77,261.46x = 115,681.41 × 58,484.70 - Step 4: Simplify right side
77,261.46x = 6,765,592,559.43 - Step 5: Solve for x
x = 6,765,592,559.43/77,261.46 - Step 6: Final answer
x = 87,567.50
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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.