Finding the Fourth Proportional to 70,776.18, 106,054.11 and 26,391.02
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Solution
The fourth proportional to 70,776.18, 106,054.11 and 26,391.02 is: 39,545.45
Step by Step Solution
- Step 1: Write the proportion equation
70,776.18 : 106,054.11 = 26,391.02 : x - Step 2: Convert to fraction form
70,776.18/106,054.11 = 26,391.02/x - Step 3: Cross multiply
70,776.18x = 106,054.11 × 26,391.02 - Step 4: Simplify right side
70,776.18x = 2,798,875,607.82 - Step 5: Solve for x
x = 2,798,875,607.82/70,776.18 - Step 6: Final answer
x = 39,545.45
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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.