Finding the Fourth Proportional to 92,973.15, 139,479.30 and 48,587.99
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Solution
The fourth proportional to 92,973.15, 139,479.30 and 48,587.99 is: 72,892.21
Step by Step Solution
- Step 1: Write the proportion equation
92,973.15 : 139,479.30 = 48,587.99 : x - Step 2: Convert to fraction form
92,973.15/139,479.30 = 48,587.99/x - Step 3: Cross multiply
92,973.15x = 139,479.30 × 48,587.99 - Step 4: Simplify right side
92,973.15x = 6,777,018,136.21 - Step 5: Solve for x
x = 6,777,018,136.21/92,973.15 - Step 6: Final answer
x = 72,892.21
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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.