Finding the Fourth Proportional to 93,243.06, 139,829.58 and 39,933.54
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Solution
The fourth proportional to 93,243.06, 139,829.58 and 39,933.54 is: 59,885.32
Step by Step Solution
- Step 1: Write the proportion equation
93,243.06 : 139,829.58 = 39,933.54 : x - Step 2: Convert to fraction form
93,243.06/139,829.58 = 39,933.54/x - Step 3: Cross multiply
93,243.06x = 139,829.58 × 39,933.54 - Step 4: Simplify right side
93,243.06x = 5,583,890,126.11 - Step 5: Solve for x
x = 5,583,890,126.11/93,243.06 - Step 6: Final answer
x = 59,885.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.