Finding the Fourth Proportional to 83,767.57, 125,692.36 and 39,398.81
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Solution
The fourth proportional to 83,767.57, 125,692.36 and 39,398.81 is: 59,117.49
Step by Step Solution
- Step 1: Write the proportion equation
83,767.57 : 125,692.36 = 39,398.81 : x - Step 2: Convert to fraction form
83,767.57/125,692.36 = 39,398.81/x - Step 3: Cross multiply
83,767.57x = 125,692.36 × 39,398.81 - Step 4: Simplify right side
83,767.57x = 4,952,128,683.13 - Step 5: Solve for x
x = 4,952,128,683.13/83,767.57 - Step 6: Final answer
x = 59,117.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.