Finding the Fourth Proportional to 86,477.74, 119,349.36 and 50,666.98
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Solution
The fourth proportional to 86,477.74, 119,349.36 and 50,666.98 is: 69,926.34
Step by Step Solution
- Step 1: Write the proportion equation
86,477.74 : 119,349.36 = 50,666.98 : x - Step 2: Convert to fraction form
86,477.74/119,349.36 = 50,666.98/x - Step 3: Cross multiply
86,477.74x = 119,349.36 × 50,666.98 - Step 4: Simplify right side
86,477.74x = 6,047,071,636.13 - Step 5: Solve for x
x = 6,047,071,636.13/86,477.74 - Step 6: Final answer
x = 69,926.34
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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.