Finding the Fourth Proportional to 97,732.98, 134,870.61 and 55,291.52
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Solution
The fourth proportional to 97,732.98, 134,870.61 and 55,291.52 is: 76,301.79
Step by Step Solution
- Step 1: Write the proportion equation
97,732.98 : 134,870.61 = 55,291.52 : x - Step 2: Convert to fraction form
97,732.98/134,870.61 = 55,291.52/x - Step 3: Cross multiply
97,732.98x = 134,870.61 × 55,291.52 - Step 4: Simplify right side
97,732.98x = 7,457,201,030.23 - Step 5: Solve for x
x = 7,457,201,030.23/97,732.98 - Step 6: Final answer
x = 76,301.79
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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.