Finding the Fourth Proportional to 91,035.04, 125,621.94 and 50,746.99
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Solution
The fourth proportional to 91,035.04, 125,621.94 and 50,746.99 is: 70,027.27
Step by Step Solution
- Step 1: Write the proportion equation
91,035.04 : 125,621.94 = 50,746.99 : x - Step 2: Convert to fraction form
91,035.04/125,621.94 = 50,746.99/x - Step 3: Cross multiply
91,035.04x = 125,621.94 × 50,746.99 - Step 4: Simplify right side
91,035.04x = 6,374,935,332.96 - Step 5: Solve for x
x = 6,374,935,332.96/91,035.04 - Step 6: Final answer
x = 70,027.27
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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.