Finding the Fourth Proportional to 93,056.04, 128,405.68 and 62,906.96
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Solution
The fourth proportional to 93,056.04, 128,405.68 and 62,906.96 is: 86,803.73
Step by Step Solution
- Step 1: Write the proportion equation
93,056.04 : 128,405.68 = 62,906.96 : x - Step 2: Convert to fraction form
93,056.04/128,405.68 = 62,906.96/x - Step 3: Cross multiply
93,056.04x = 128,405.68 × 62,906.96 - Step 4: Simplify right side
93,056.04x = 8,077,610,975.53 - Step 5: Solve for x
x = 8,077,610,975.53/93,056.04 - Step 6: Final answer
x = 86,803.73
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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.