Finding the Fourth Proportional to 93,731.04, 129,348.84 and 51,289.62
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Solution
The fourth proportional to 93,731.04, 129,348.84 and 51,289.62 is: 70,779.68
Step by Step Solution
- Step 1: Write the proportion equation
93,731.04 : 129,348.84 = 51,289.62 : x - Step 2: Convert to fraction form
93,731.04/129,348.84 = 51,289.62/x - Step 3: Cross multiply
93,731.04x = 129,348.84 × 51,289.62 - Step 4: Simplify right side
93,731.04x = 6,634,252,851.04 - Step 5: Solve for x
x = 6,634,252,851.04/93,731.04 - Step 6: Final answer
x = 70,779.68
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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.