Finding the Fourth Proportional to 97,143.84, 134,058.96 and 54,703.08
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Solution
The fourth proportional to 97,143.84, 134,058.96 and 54,703.08 is: 75,490.51
Step by Step Solution
- Step 1: Write the proportion equation
97,143.84 : 134,058.96 = 54,703.08 : x - Step 2: Convert to fraction form
97,143.84/134,058.96 = 54,703.08/x - Step 3: Cross multiply
97,143.84x = 134,058.96 × 54,703.08 - Step 4: Simplify right side
97,143.84x = 7,333,438,013.60 - Step 5: Solve for x
x = 7,333,438,013.60/97,143.84 - Step 6: Final answer
x = 75,490.51
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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.