Finding the Fourth Proportional to 70,306.42, 105,327.11 and 34,726.05
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Solution
The fourth proportional to 70,306.42, 105,327.11 and 34,726.05 is: 52,023.62
Step by Step Solution
- Step 1: Write the proportion equation
70,306.42 : 105,327.11 = 34,726.05 : x - Step 2: Convert to fraction form
70,306.42/105,327.11 = 34,726.05/x - Step 3: Cross multiply
70,306.42x = 105,327.11 × 34,726.05 - Step 4: Simplify right side
70,306.42x = 3,657,594,488.22 - Step 5: Solve for x
x = 3,657,594,488.22/70,306.42 - Step 6: Final answer
x = 52,023.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.