Finding the Fourth Proportional to 97,929.13, 135,143.06 and 53,217.13
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Solution
The fourth proportional to 97,929.13, 135,143.06 and 53,217.13 is: 73,440.11
Step by Step Solution
- Step 1: Write the proportion equation
97,929.13 : 135,143.06 = 53,217.13 : x - Step 2: Convert to fraction form
97,929.13/135,143.06 = 53,217.13/x - Step 3: Cross multiply
97,929.13x = 135,143.06 × 53,217.13 - Step 4: Simplify right side
97,929.13x = 7,191,925,792.62 - Step 5: Solve for x
x = 7,191,925,792.62/97,929.13 - Step 6: Final answer
x = 73,440.11
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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.