Finding the Fourth Proportional to 93,701.98, 129,309.75 and 51,259.60
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Solution
The fourth proportional to 93,701.98, 129,309.75 and 51,259.60 is: 70,738.80
Step by Step Solution
- Step 1: Write the proportion equation
93,701.98 : 129,309.75 = 51,259.60 : x - Step 2: Convert to fraction form
93,701.98/129,309.75 = 51,259.60/x - Step 3: Cross multiply
93,701.98x = 129,309.75 × 51,259.60 - Step 4: Simplify right side
93,701.98x = 6,628,365,158.25 - Step 5: Solve for x
x = 6,628,365,158.25/93,701.98 - Step 6: Final answer
x = 70,738.80
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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.