Finding the Fourth Proportional to 93,804.08, 129,437.60 and 53,515.49
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Solution
The fourth proportional to 93,804.08, 129,437.60 and 53,515.49 is: 73,844.51
Step by Step Solution
- Step 1: Write the proportion equation
93,804.08 : 129,437.60 = 53,515.49 : x - Step 2: Convert to fraction form
93,804.08/129,437.60 = 53,515.49/x - Step 3: Cross multiply
93,804.08x = 129,437.60 × 53,515.49 - Step 4: Simplify right side
93,804.08x = 6,926,915,673.66 - Step 5: Solve for x
x = 6,926,915,673.66/93,804.08 - Step 6: Final answer
x = 73,844.51
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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.