Finding the Fourth Proportional to 97,777.44, 134,934.78 and 63,807.66
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Solution
The fourth proportional to 97,777.44, 134,934.78 and 63,807.66 is: 88,055.82
Step by Step Solution
- Step 1: Write the proportion equation
97,777.44 : 134,934.78 = 63,807.66 : x - Step 2: Convert to fraction form
97,777.44/134,934.78 = 63,807.66/x - Step 3: Cross multiply
97,777.44x = 134,934.78 × 63,807.66 - Step 4: Simplify right side
97,777.44x = 8,609,872,564.41 - Step 5: Solve for x
x = 8,609,872,564.41/97,777.44 - Step 6: Final answer
x = 88,055.82
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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.