Finding the Fourth Proportional to 97,763.19, 134,913.20 and 53,051.19
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Solution
The fourth proportional to 97,763.19, 134,913.20 and 53,051.19 is: 73,210.64
Step by Step Solution
- Step 1: Write the proportion equation
97,763.19 : 134,913.20 = 53,051.19 : x - Step 2: Convert to fraction form
97,763.19/134,913.20 = 53,051.19/x - Step 3: Cross multiply
97,763.19x = 134,913.20 × 53,051.19 - Step 4: Simplify right side
97,763.19x = 7,157,305,806.71 - Step 5: Solve for x
x = 7,157,305,806.71/97,763.19 - Step 6: Final answer
x = 73,210.64
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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.