Finding the Fourth Proportional to 93,860.36, 129,536.58 and 53,580.18
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Solution
The fourth proportional to 93,860.36, 129,536.58 and 53,580.18 is: 73,945.95
Step by Step Solution
- Step 1: Write the proportion equation
93,860.36 : 129,536.58 = 53,580.18 : x - Step 2: Convert to fraction form
93,860.36/129,536.58 = 53,580.18/x - Step 3: Cross multiply
93,860.36x = 129,536.58 × 53,580.18 - Step 4: Simplify right side
93,860.36x = 6,940,593,272.98 - Step 5: Solve for x
x = 6,940,593,272.98/93,860.36 - Step 6: Final answer
x = 73,945.95
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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.