Finding the Fourth Proportional to 93,349.47, 139,939.95 and 63,373.80
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Solution
The fourth proportional to 93,349.47, 139,939.95 and 63,373.80 is: 95,003.50
Step by Step Solution
- Step 1: Write the proportion equation
93,349.47 : 139,939.95 = 63,373.80 : x - Step 2: Convert to fraction form
93,349.47/139,939.95 = 63,373.80/x - Step 3: Cross multiply
93,349.47x = 139,939.95 × 63,373.80 - Step 4: Simplify right side
93,349.47x = 8,868,526,403.31 - Step 5: Solve for x
x = 8,868,526,403.31/93,349.47 - Step 6: Final answer
x = 95,003.50
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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.