Finding the Fourth Proportional to 93,319.29, 128,775.08 and 53,027.46
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Solution
The fourth proportional to 93,319.29, 128,775.08 and 53,027.46 is: 73,174.75
Step by Step Solution
- Step 1: Write the proportion equation
93,319.29 : 128,775.08 = 53,027.46 : x - Step 2: Convert to fraction form
93,319.29/128,775.08 = 53,027.46/x - Step 3: Cross multiply
93,319.29x = 128,775.08 × 53,027.46 - Step 4: Simplify right side
93,319.29x = 6,828,615,621.47 - Step 5: Solve for x
x = 6,828,615,621.47/93,319.29 - Step 6: Final answer
x = 73,174.75
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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.