Finding the Fourth Proportional to 83,495.24, 125,259.28 and 30,905.18
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Solution
The fourth proportional to 83,495.24, 125,259.28 and 30,905.18 is: 46,363.85
Step by Step Solution
- Step 1: Write the proportion equation
83,495.24 : 125,259.28 = 30,905.18 : x - Step 2: Convert to fraction form
83,495.24/125,259.28 = 30,905.18/x - Step 3: Cross multiply
83,495.24x = 125,259.28 × 30,905.18 - Step 4: Simplify right side
83,495.24x = 3,871,160,595.07 - Step 5: Solve for x
x = 3,871,160,595.07/83,495.24 - Step 6: Final answer
x = 46,363.85
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1.5x scale
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.