Finding the Fourth Proportional to 99,044.16, 136,671.36 and 56,593.92
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Solution
The fourth proportional to 99,044.16, 136,671.36 and 56,593.92 is: 78,094.14
Step by Step Solution
- Step 1: Write the proportion equation
99,044.16 : 136,671.36 = 56,593.92 : x - Step 2: Convert to fraction form
99,044.16/136,671.36 = 56,593.92/x - Step 3: Cross multiply
99,044.16x = 136,671.36 × 56,593.92 - Step 4: Simplify right side
99,044.16x = 7,734,768,014.13 - Step 5: Solve for x
x = 7,734,768,014.13/99,044.16 - Step 6: Final answer
x = 78,094.14
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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.