Finding the Fourth Proportional to 98,505.18, 135,903.42 and 56,053.08
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Solution
The fourth proportional to 98,505.18, 135,903.42 and 56,053.08 is: 77,334.06
Step by Step Solution
- Step 1: Write the proportion equation
98,505.18 : 135,903.42 = 56,053.08 : x - Step 2: Convert to fraction form
98,505.18/135,903.42 = 56,053.08/x - Step 3: Cross multiply
98,505.18x = 135,903.42 × 56,053.08 - Step 4: Simplify right side
98,505.18x = 7,617,805,273.53 - Step 5: Solve for x
x = 7,617,805,273.53/98,505.18 - Step 6: Final answer
x = 77,334.06
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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.