Finding the Fourth Proportional to 106,781.04, 147,346.56 and 59,026.68
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Solution
The fourth proportional to 106,781.04, 147,346.56 and 59,026.68 is: 81,450.59
Step by Step Solution
- Step 1: Write the proportion equation
106,781.04 : 147,346.56 = 59,026.68 : x - Step 2: Convert to fraction form
106,781.04/147,346.56 = 59,026.68/x - Step 3: Cross multiply
106,781.04x = 147,346.56 × 59,026.68 - Step 4: Simplify right side
106,781.04x = 8,697,378,246.22 - Step 5: Solve for x
x = 8,697,378,246.22/106,781.04 - Step 6: Final answer
x = 81,450.59
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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.