Finding the Fourth Proportional to 93,470.76, 128,992.35 and 51,032.02
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Solution
The fourth proportional to 93,470.76, 128,992.35 and 51,032.02 is: 70,425.66
Step by Step Solution
- Step 1: Write the proportion equation
93,470.76 : 128,992.35 = 51,032.02 : x - Step 2: Convert to fraction form
93,470.76/128,992.35 = 51,032.02/x - Step 3: Cross multiply
93,470.76x = 128,992.35 × 51,032.02 - Step 4: Simplify right side
93,470.76x = 6,582,740,185.05 - Step 5: Solve for x
x = 6,582,740,185.05/93,470.76 - Step 6: Final answer
x = 70,425.66
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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.