Finding the Fourth Proportional to 73,438.08, 101,346.48 and 39,904.08
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Solution
The fourth proportional to 73,438.08, 101,346.48 and 39,904.08 is: 55,068.68
Step by Step Solution
- Step 1: Write the proportion equation
73,438.08 : 101,346.48 = 39,904.08 : x - Step 2: Convert to fraction form
73,438.08/101,346.48 = 39,904.08/x - Step 3: Cross multiply
73,438.08x = 101,346.48 × 39,904.08 - Step 4: Simplify right side
73,438.08x = 4,044,138,045.64 - Step 5: Solve for x
x = 4,044,138,045.64/73,438.08 - Step 6: Final answer
x = 55,068.68
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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.