Finding the Fourth Proportional to 96,605.04, 133,307.12 and 54,157.76
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Solution
The fourth proportional to 96,605.04, 133,307.12 and 54,157.76 is: 74,733.32
Step by Step Solution
- Step 1: Write the proportion equation
96,605.04 : 133,307.12 = 54,157.76 : x - Step 2: Convert to fraction form
96,605.04/133,307.12 = 54,157.76/x - Step 3: Cross multiply
96,605.04x = 133,307.12 × 54,157.76 - Step 4: Simplify right side
96,605.04x = 7,219,615,011.25 - Step 5: Solve for x
x = 7,219,615,011.25/96,605.04 - Step 6: Final answer
x = 74,733.32
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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.