Finding the Fourth Proportional to 93,460.08, 128,970.39 and 53,170.08
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Solution
The fourth proportional to 93,460.08, 128,970.39 and 53,170.08 is: 73,372.14
Step by Step Solution
- Step 1: Write the proportion equation
93,460.08 : 128,970.39 = 53,170.08 : x - Step 2: Convert to fraction form
93,460.08/128,970.39 = 53,170.08/x - Step 3: Cross multiply
93,460.08x = 128,970.39 × 53,170.08 - Step 4: Simplify right side
93,460.08x = 6,857,365,953.93 - Step 5: Solve for x
x = 6,857,365,953.93/93,460.08 - Step 6: Final answer
x = 73,372.14
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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.