Finding the Fourth Proportional to 98,491.74, 135,902.79 and 56,050.98
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Solution
The fourth proportional to 98,491.74, 135,902.79 and 56,050.98 is: 77,341.35
Step by Step Solution
- Step 1: Write the proportion equation
98,491.74 : 135,902.79 = 56,050.98 : x - Step 2: Convert to fraction form
98,491.74/135,902.79 = 56,050.98/x - Step 3: Cross multiply
98,491.74x = 135,902.79 × 56,050.98 - Step 4: Simplify right side
98,491.74x = 7,617,484,564.23 - Step 5: Solve for x
x = 7,617,484,564.23/98,491.74 - Step 6: Final answer
x = 77,341.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.