Finding the Fourth Proportional to 70,764.66, 106,159.95 and 29,188.98
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Solution
The fourth proportional to 70,764.66, 106,159.95 and 29,188.98 is: 43,788.82
Step by Step Solution
- Step 1: Write the proportion equation
70,764.66 : 106,159.95 = 29,188.98 : x - Step 2: Convert to fraction form
70,764.66/106,159.95 = 29,188.98/x - Step 3: Cross multiply
70,764.66x = 106,159.95 × 29,188.98 - Step 4: Simplify right side
70,764.66x = 3,098,700,657.35 - Step 5: Solve for x
x = 3,098,700,657.35/70,764.66 - Step 6: Final answer
x = 43,788.82
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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.