Finding the Fourth Proportional to 119,970.24, 165,533.47 and 71,559.31
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Solution
The fourth proportional to 119,970.24, 165,533.47 and 71,559.31 is: 98,736.66
Step by Step Solution
- Step 1: Write the proportion equation
119,970.24 : 165,533.47 = 71,559.31 : x - Step 2: Convert to fraction form
119,970.24/165,533.47 = 71,559.31/x - Step 3: Cross multiply
119,970.24x = 165,533.47 × 71,559.31 - Step 4: Simplify right side
119,970.24x = 11,845,460,895.11 - Step 5: Solve for x
x = 11,845,460,895.11/119,970.24 - Step 6: Final answer
x = 98,736.66
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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.