Finding the Fourth Proportional to 96,965.94, 133,812.63 and 56,671.68
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Solution
The fourth proportional to 96,965.94, 133,812.63 and 56,671.68 is: 78,206.70
Step by Step Solution
- Step 1: Write the proportion equation
96,965.94 : 133,812.63 = 56,671.68 : x - Step 2: Convert to fraction form
96,965.94/133,812.63 = 56,671.68/x - Step 3: Cross multiply
96,965.94x = 133,812.63 × 56,671.68 - Step 4: Simplify right side
96,965.94x = 7,583,386,547.32 - Step 5: Solve for x
x = 7,583,386,547.32/96,965.94 - Step 6: Final answer
x = 78,206.70
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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.