Finding the Fourth Proportional to 93,303.24, 128,753.82 and 53,011.68
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Solution
The fourth proportional to 93,303.24, 128,753.82 and 53,011.68 is: 73,153.48
Step by Step Solution
- Step 1: Write the proportion equation
93,303.24 : 128,753.82 = 53,011.68 : x - Step 2: Convert to fraction form
93,303.24/128,753.82 = 53,011.68/x - Step 3: Cross multiply
93,303.24x = 128,753.82 × 53,011.68 - Step 4: Simplify right side
93,303.24x = 6,825,456,304.62 - Step 5: Solve for x
x = 6,825,456,304.62/93,303.24 - Step 6: Final answer
x = 73,153.48
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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.