Finding the Fourth Proportional to 96,607.44, 133,564.68 and 72,856.08
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Solution
The fourth proportional to 96,607.44, 133,564.68 and 72,856.08 is: 100,727.22
Step by Step Solution
- Step 1: Write the proportion equation
96,607.44 : 133,564.68 = 72,856.08 : x - Step 2: Convert to fraction form
96,607.44/133,564.68 = 72,856.08/x - Step 3: Cross multiply
96,607.44x = 133,564.68 × 72,856.08 - Step 4: Simplify right side
96,607.44x = 9,730,999,011.25 - Step 5: Solve for x
x = 9,730,999,011.25/96,607.44 - Step 6: Final answer
x = 100,727.22
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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.