Finding the Fourth Proportional to 75,852.16, 104,669.76 and 42,317.44
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Solution
The fourth proportional to 75,852.16, 104,669.76 and 42,317.44 is: 58,394.60
Step by Step Solution
- Step 1: Write the proportion equation
75,852.16 : 104,669.76 = 42,317.44 : x - Step 2: Convert to fraction form
75,852.16/104,669.76 = 42,317.44/x - Step 3: Cross multiply
75,852.16x = 104,669.76 × 42,317.44 - Step 4: Simplify right side
75,852.16x = 4,429,356,288.61 - Step 5: Solve for x
x = 4,429,356,288.61/75,852.16 - Step 6: Final answer
x = 58,394.60
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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.