Finding the Fourth Proportional to 93,457.85, 129,002.58 and 74,372.63
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Solution
The fourth proportional to 93,457.85, 129,002.58 and 74,372.63 is: 102,658.70
Step by Step Solution
- Step 1: Write the proportion equation
93,457.85 : 129,002.58 = 74,372.63 : x - Step 2: Convert to fraction form
93,457.85/129,002.58 = 74,372.63/x - Step 3: Cross multiply
93,457.85x = 129,002.58 × 74,372.63 - Step 4: Simplify right side
93,457.85x = 9,594,260,506.37 - Step 5: Solve for x
x = 9,594,260,506.37/93,457.85 - Step 6: Final answer
x = 102,658.70
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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.