Finding the Fourth Proportional to 93,777.06, 129,412.45 and 51,335.70
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Solution
The fourth proportional to 93,777.06, 129,412.45 and 51,335.70 is: 70,843.32
Step by Step Solution
- Step 1: Write the proportion equation
93,777.06 : 129,412.45 = 51,335.70 : x - Step 2: Convert to fraction form
93,777.06/129,412.45 = 51,335.70/x - Step 3: Cross multiply
93,777.06x = 129,412.45 × 51,335.70 - Step 4: Simplify right side
93,777.06x = 6,643,478,709.47 - Step 5: Solve for x
x = 6,643,478,709.47/93,777.06 - Step 6: Final answer
x = 70,843.32
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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.