Finding the Fourth Proportional to 93,075.98, 128,444.24 and 50,634.68
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Solution
The fourth proportional to 93,075.98, 128,444.24 and 50,634.68 is: 69,875.53
Step by Step Solution
- Step 1: Write the proportion equation
93,075.98 : 128,444.24 = 50,634.68 : x - Step 2: Convert to fraction form
93,075.98/128,444.24 = 50,634.68/x - Step 3: Cross multiply
93,075.98x = 128,444.24 × 50,634.68 - Step 4: Simplify right side
93,075.98x = 6,503,732,990.24 - Step 5: Solve for x
x = 6,503,732,990.24/93,075.98 - Step 6: Final answer
x = 69,875.53
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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.