Finding the Fourth Proportional to 93,867.36, 129,546.24 and 53,587.18
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Solution
The fourth proportional to 93,867.36, 129,546.24 and 53,587.18 is: 73,955.61
Step by Step Solution
- Step 1: Write the proportion equation
93,867.36 : 129,546.24 = 53,587.18 : x - Step 2: Convert to fraction form
93,867.36/129,546.24 = 53,587.18/x - Step 3: Cross multiply
93,867.36x = 129,546.24 × 53,587.18 - Step 4: Simplify right side
93,867.36x = 6,942,017,681.20 - Step 5: Solve for x
x = 6,942,017,681.20/93,867.36 - Step 6: Final answer
x = 73,955.61
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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.