Finding the Fourth Proportional to 83,800.98, 115,645.35 and 46,075.23
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Solution
The fourth proportional to 83,800.98, 115,645.35 and 46,075.23 is: 63,583.82
Step by Step Solution
- Step 1: Write the proportion equation
83,800.98 : 115,645.35 = 46,075.23 : x - Step 2: Convert to fraction form
83,800.98/115,645.35 = 46,075.23/x - Step 3: Cross multiply
83,800.98x = 115,645.35 × 46,075.23 - Step 4: Simplify right side
83,800.98x = 5,328,386,099.68 - Step 5: Solve for x
x = 5,328,386,099.68/83,800.98 - Step 6: Final answer
x = 63,583.82
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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.