Finding the Fourth Proportional to 105,488.24, 145,572.29 and 60,166.99
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Solution
The fourth proportional to 105,488.24, 145,572.29 and 60,166.99 is: 83,029.61
Step by Step Solution
- Step 1: Write the proportion equation
105,488.24 : 145,572.29 = 60,166.99 : x - Step 2: Convert to fraction form
105,488.24/145,572.29 = 60,166.99/x - Step 3: Cross multiply
105,488.24x = 145,572.29 × 60,166.99 - Step 4: Simplify right side
105,488.24x = 8,758,646,623.46 - Step 5: Solve for x
x = 8,758,646,623.46/105,488.24 - Step 6: Final answer
x = 83,029.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.