Finding the Fourth Proportional to 93,681.84, 140,543.28 and 27,124.68
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Solution
The fourth proportional to 93,681.84, 140,543.28 and 27,124.68 is: 40,692.96
Step by Step Solution
- Step 1: Write the proportion equation
93,681.84 : 140,543.28 = 27,124.68 : x - Step 2: Convert to fraction form
93,681.84/140,543.28 = 27,124.68/x - Step 3: Cross multiply
93,681.84x = 140,543.28 × 27,124.68 - Step 4: Simplify right side
93,681.84x = 3,812,191,496.15 - Step 5: Solve for x
x = 3,812,191,496.15/93,681.84 - Step 6: Final answer
x = 40,692.96
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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.