Finding the Fourth Proportional to 98,038.16, 135,304.68 and 57,749.84
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Solution
The fourth proportional to 98,038.16, 135,304.68 and 57,749.84 is: 79,701.86
Step by Step Solution
- Step 1: Write the proportion equation
98,038.16 : 135,304.68 = 57,749.84 : x - Step 2: Convert to fraction form
98,038.16/135,304.68 = 57,749.84/x - Step 3: Cross multiply
98,038.16x = 135,304.68 × 57,749.84 - Step 4: Simplify right side
98,038.16x = 7,813,823,621.25 - Step 5: Solve for x
x = 7,813,823,621.25/98,038.16 - Step 6: Final answer
x = 79,701.86
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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.