Finding the Fourth Proportional to 73,502.02, 101,432.28 and 39,968.02
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Solution
The fourth proportional to 73,502.02, 101,432.28 and 39,968.02 is: 55,155.59
Step by Step Solution
- Step 1: Write the proportion equation
73,502.02 : 101,432.28 = 39,968.02 : x - Step 2: Convert to fraction form
73,502.02/101,432.28 = 39,968.02/x - Step 3: Cross multiply
73,502.02x = 101,432.28 × 39,968.02 - Step 4: Simplify right side
73,502.02x = 4,054,047,395.69 - Step 5: Solve for x
x = 4,054,047,395.69/73,502.02 - Step 6: Final answer
x = 55,155.59
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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.