Finding the Fourth Proportional to 83,541.46, 115,276.55 and 47,733.79
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Solution
The fourth proportional to 83,541.46, 115,276.55 and 47,733.79 is: 65,866.53
Step by Step Solution
- Step 1: Write the proportion equation
83,541.46 : 115,276.55 = 47,733.79 : x - Step 2: Convert to fraction form
83,541.46/115,276.55 = 47,733.79/x - Step 3: Cross multiply
83,541.46x = 115,276.55 × 47,733.79 - Step 4: Simplify right side
83,541.46x = 5,502,586,053.24 - Step 5: Solve for x
x = 5,502,586,053.24/83,541.46 - Step 6: Final answer
x = 65,866.53
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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.