Finding the Fourth Proportional to 77,417.79, 106,836.48 and 43,883.79
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Solution
The fourth proportional to 77,417.79, 106,836.48 and 43,883.79 is: 60,559.59
Step by Step Solution
- Step 1: Write the proportion equation
77,417.79 : 106,836.48 = 43,883.79 : x - Step 2: Convert to fraction form
77,417.79/106,836.48 = 43,883.79/x - Step 3: Cross multiply
77,417.79x = 106,836.48 × 43,883.79 - Step 4: Simplify right side
77,417.79x = 4,688,389,433.24 - Step 5: Solve for x
x = 4,688,389,433.24/77,417.79 - Step 6: Final answer
x = 60,559.59
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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.