Finding the Fourth Proportional to 93,840.36, 129,484.26 and 53,554.20
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Solution
The fourth proportional to 93,840.36, 129,484.26 and 53,554.20 is: 73,895.99
Step by Step Solution
- Step 1: Write the proportion equation
93,840.36 : 129,484.26 = 53,554.20 : x - Step 2: Convert to fraction form
93,840.36/129,484.26 = 53,554.20/x - Step 3: Cross multiply
93,840.36x = 129,484.26 × 53,554.20 - Step 4: Simplify right side
93,840.36x = 6,934,425,956.89 - Step 5: Solve for x
x = 6,934,425,956.89/93,840.36 - Step 6: Final answer
x = 73,895.99
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1.5x scale
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.