Finding the Fourth Proportional to 93,938.14, 129,631.62 and 51,495.76
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Solution
The fourth proportional to 93,938.14, 129,631.62 and 51,495.76 is: 71,062.50
Step by Step Solution
- Step 1: Write the proportion equation
93,938.14 : 129,631.62 = 51,495.76 : x - Step 2: Convert to fraction form
93,938.14/129,631.62 = 51,495.76/x - Step 3: Cross multiply
93,938.14x = 129,631.62 × 51,495.76 - Step 4: Simplify right side
93,938.14x = 6,675,478,791.93 - Step 5: Solve for x
x = 6,675,478,791.93/93,938.14 - Step 6: Final answer
x = 71,062.50
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1.5x scale
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.