Finding the Fourth Proportional to 93,751.38, 129,376.95 and 51,310.14
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Solution
The fourth proportional to 93,751.38, 129,376.95 and 51,310.14 is: 70,808.02
Step by Step Solution
- Step 1: Write the proportion equation
93,751.38 : 129,376.95 = 51,310.14 : x - Step 2: Convert to fraction form
93,751.38/129,376.95 = 51,310.14/x - Step 3: Cross multiply
93,751.38x = 129,376.95 × 51,310.14 - Step 4: Simplify right side
93,751.38x = 6,638,349,417.27 - Step 5: Solve for x
x = 6,638,349,417.27/93,751.38 - Step 6: Final answer
x = 70,808.02
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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.