Finding the Fourth Proportional to 92,937.99, 139,328.62 and 40,307.84
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Solution
The fourth proportional to 92,937.99, 139,328.62 and 40,307.84 is: 60,427.77
Step by Step Solution
- Step 1: Write the proportion equation
92,937.99 : 139,328.62 = 40,307.84 : x - Step 2: Convert to fraction form
92,937.99/139,328.62 = 40,307.84/x - Step 3: Cross multiply
92,937.99x = 139,328.62 × 40,307.84 - Step 4: Simplify right side
92,937.99x = 5,616,035,447.45 - Step 5: Solve for x
x = 5,616,035,447.45/92,937.99 - Step 6: Final answer
x = 60,427.77
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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.