Finding the Fourth Proportional to 92,657.47, 127,867.53 and 50,215.99
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Solution
The fourth proportional to 92,657.47, 127,867.53 and 50,215.99 is: 69,298.19
Step by Step Solution
- Step 1: Write the proportion equation
92,657.47 : 127,867.53 = 50,215.99 : x - Step 2: Convert to fraction form
92,657.47/127,867.53 = 50,215.99/x - Step 3: Cross multiply
92,657.47x = 127,867.53 × 50,215.99 - Step 4: Simplify right side
92,657.47x = 6,420,994,607.80 - Step 5: Solve for x
x = 6,420,994,607.80/92,657.47 - Step 6: Final answer
x = 69,298.19
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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.