Finding the Fourth Proportional to 97,895.54, 135,065.50 and 54,869.07
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Solution
The fourth proportional to 97,895.54, 135,065.50 and 54,869.07 is: 75,702.31
Step by Step Solution
- Step 1: Write the proportion equation
97,895.54 : 135,065.50 = 54,869.07 : x - Step 2: Convert to fraction form
97,895.54/135,065.50 = 54,869.07/x - Step 3: Cross multiply
97,895.54x = 135,065.50 × 54,869.07 - Step 4: Simplify right side
97,895.54x = 7,410,917,698.76 - Step 5: Solve for x
x = 7,410,917,698.76/97,895.54 - Step 6: Final answer
x = 75,702.31
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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.