Finding the Fourth Proportional to 93,352.14, 128,835.86 and 57,074.81
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Solution
The fourth proportional to 93,352.14, 128,835.86 and 57,074.81 is: 78,769.28
Step by Step Solution
- Step 1: Write the proportion equation
93,352.14 : 128,835.86 = 57,074.81 : x - Step 2: Convert to fraction form
93,352.14/128,835.86 = 57,074.81/x - Step 3: Cross multiply
93,352.14x = 128,835.86 × 57,074.81 - Step 4: Simplify right side
93,352.14x = 7,353,281,301.13 - Step 5: Solve for x
x = 7,353,281,301.13/93,352.14 - Step 6: Final answer
x = 78,769.28
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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.