Finding the Fourth Proportional to 84,159.99, 116,130.36 and 51,470.83
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Solution
The fourth proportional to 84,159.99, 116,130.36 and 51,470.83 is: 71,023.37
Step by Step Solution
- Step 1: Write the proportion equation
84,159.99 : 116,130.36 = 51,470.83 : x - Step 2: Convert to fraction form
84,159.99/116,130.36 = 51,470.83/x - Step 3: Cross multiply
84,159.99x = 116,130.36 × 51,470.83 - Step 4: Simplify right side
84,159.99x = 5,977,326,017.40 - Step 5: Solve for x
x = 5,977,326,017.40/84,159.99 - Step 6: Final answer
x = 71,023.37
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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.