Finding the Fourth Proportional to 93,854.14, 129,487.01 and 53,539.52
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Solution
The fourth proportional to 93,854.14, 129,487.01 and 53,539.52 is: 73,866.45
Step by Step Solution
- Step 1: Write the proportion equation
93,854.14 : 129,487.01 = 53,539.52 : x - Step 2: Convert to fraction form
93,854.14/129,487.01 = 53,539.52/x - Step 3: Cross multiply
93,854.14x = 129,487.01 × 53,539.52 - Step 4: Simplify right side
93,854.14x = 6,932,672,361.64 - Step 5: Solve for x
x = 6,932,672,361.64/93,854.14 - Step 6: Final answer
x = 73,866.45
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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.