Finding the Fourth Proportional to 93,731.34, 129,349.25 and 51,289.88
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Solution
The fourth proportional to 93,731.34, 129,349.25 and 51,289.88 is: 70,780.03
Step by Step Solution
- Step 1: Write the proportion equation
93,731.34 : 129,349.25 = 51,289.88 : x - Step 2: Convert to fraction form
93,731.34/129,349.25 = 51,289.88/x - Step 3: Cross multiply
93,731.34x = 129,349.25 × 51,289.88 - Step 4: Simplify right side
93,731.34x = 6,634,307,088.24 - Step 5: Solve for x
x = 6,634,307,088.24/93,731.34 - Step 6: Final answer
x = 70,780.03
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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.