Finding the Fourth Proportional to 93,661.27, 129,213.35 and 61,403.63
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Solution
The fourth proportional to 93,661.27, 129,213.35 and 61,403.63 is: 84,711.31
Step by Step Solution
- Step 1: Write the proportion equation
93,661.27 : 129,213.35 = 61,403.63 : x - Step 2: Convert to fraction form
93,661.27/129,213.35 = 61,403.63/x - Step 3: Cross multiply
93,661.27x = 129,213.35 × 61,403.63 - Step 4: Simplify right side
93,661.27x = 7,934,168,427.44 - Step 5: Solve for x
x = 7,934,168,427.44/93,661.27 - Step 6: Final answer
x = 84,711.31
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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.