Finding the Fourth Proportional to 93,130.83, 139,645.21 and 36,913.99
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Solution
The fourth proportional to 93,130.83, 139,645.21 and 36,913.99 is: 55,350.76
Step by Step Solution
- Step 1: Write the proportion equation
93,130.83 : 139,645.21 = 36,913.99 : x - Step 2: Convert to fraction form
93,130.83/139,645.21 = 36,913.99/x - Step 3: Cross multiply
93,130.83x = 139,645.21 × 36,913.99 - Step 4: Simplify right side
93,130.83x = 5,154,861,885.49 - Step 5: Solve for x
x = 5,154,861,885.49/93,130.83 - Step 6: Final answer
x = 55,350.76
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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.