Finding the Fourth Proportional to 101,366.65, 139,880.33 and 56,041.99
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Solution
The fourth proportional to 101,366.65, 139,880.33 and 56,041.99 is: 77,334.82
Step by Step Solution
- Step 1: Write the proportion equation
101,366.65 : 139,880.33 = 56,041.99 : x - Step 2: Convert to fraction form
101,366.65/139,880.33 = 56,041.99/x - Step 3: Cross multiply
101,366.65x = 139,880.33 × 56,041.99 - Step 4: Simplify right side
101,366.65x = 7,839,171,774.85 - Step 5: Solve for x
x = 7,839,171,774.85/101,366.65 - Step 6: Final answer
x = 77,334.82
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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.