Finding the Fourth Proportional to 94,415.04, 130,292.16 and 51,976.32
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Solution
The fourth proportional to 94,415.04, 130,292.16 and 51,976.32 is: 71,726.99
Step by Step Solution
- Step 1: Write the proportion equation
94,415.04 : 130,292.16 = 51,976.32 : x - Step 2: Convert to fraction form
94,415.04/130,292.16 = 51,976.32/x - Step 3: Cross multiply
94,415.04x = 130,292.16 × 51,976.32 - Step 4: Simplify right side
94,415.04x = 6,772,107,001.65 - Step 5: Solve for x
x = 6,772,107,001.65/94,415.04 - Step 6: Final answer
x = 71,726.99
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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.