Finding the Fourth Proportional to 70,804.63, 106,206.95 and 29,252.71
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Solution
The fourth proportional to 70,804.63, 106,206.95 and 29,252.71 is: 43,879.07
Step by Step Solution
- Step 1: Write the proportion equation
70,804.63 : 106,206.95 = 29,252.71 : x - Step 2: Convert to fraction form
70,804.63/106,206.95 = 29,252.71/x - Step 3: Cross multiply
70,804.63x = 106,206.95 × 29,252.71 - Step 4: Simplify right side
70,804.63x = 3,106,841,108.33 - Step 5: Solve for x
x = 3,106,841,108.33/70,804.63 - Step 6: Final answer
x = 43,879.07
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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.