Finding the Fourth Proportional to 93,281.99, 128,732.16 and 52,995.02
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Solution
The fourth proportional to 93,281.99, 128,732.16 and 52,995.02 is: 73,134.84
Step by Step Solution
- Step 1: Write the proportion equation
93,281.99 : 128,732.16 = 52,995.02 : x - Step 2: Convert to fraction form
93,281.99/128,732.16 = 52,995.02/x - Step 3: Cross multiply
93,281.99x = 128,732.16 × 52,995.02 - Step 4: Simplify right side
93,281.99x = 6,822,163,393.84 - Step 5: Solve for x
x = 6,822,163,393.84/93,281.99 - Step 6: Final answer
x = 73,134.84
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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.