Finding the Fourth Proportional to 83,838.53, 115,697.48 and 45,598.08
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Solution
The fourth proportional to 83,838.53, 115,697.48 and 45,598.08 is: 62,925.52
Step by Step Solution
- Step 1: Write the proportion equation
83,838.53 : 115,697.48 = 45,598.08 : x - Step 2: Convert to fraction form
83,838.53/115,697.48 = 45,598.08/x - Step 3: Cross multiply
83,838.53x = 115,697.48 × 45,598.08 - Step 4: Simplify right side
83,838.53x = 5,275,582,948.84 - Step 5: Solve for x
x = 5,275,582,948.84/83,838.53 - Step 6: Final answer
x = 62,925.52
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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.